How to Choose the Right Build Tool for Your Java Projects

In the world of Java development, selecting the right build tool is a crucial decision. Build tools automate various tasks, making the development process smoother and more efficient.

In this article, we'll explore three popular build tools used in Java development: Maven, Gradle, and Ant. We'll discuss their features, use cases, and I'll offer guidance to help you make an informed choice for your Java projects.


To get the most out of this article, you should have the following:

  • A suitable IDE such as NetBeans.
  • Basic understanding of Java.

Maven: The Industry Standard

Maven is a widely adopted and highly structured build tool. It uses an XML-based Project Object Model (POM) file to manage dependencies, build processes, and project lifecycles.

Some key advantages of Maven include:

  • Standardization: Maven enforces conventions and standards for project structure and configuration, making it easy to understand and work with.
  • Dependency Management: Maven excels in managing project dependencies, simplifying the process of integrating external libraries.
  • Rich Plugin Ecosystem: Maven provides a vast library of plugins for various tasks, ensuring flexibility in project setup.

Advantages of Maven

Maven is a widely used build tool in the Java ecosystem. It's known for its declarative and standardized project configuration using XML (POM files). Maven centralizes dependency management and provides a rich ecosystem of plugins and conventions.

Use Maven if:

You prefer a standardized and structured approach, especially when dealing with large-scale projects or working within teams that value consistency.

Gradle: The Modern and Flexible Choice

Gradle is a build tool known for its flexibility and expressiveness. It uses a Groovy-based DSL or Kotlin for build scripts, offering a more concise and customizable approach.

Some key features of Gradle include:

  • Conciseness: Gradle build scripts are often shorter and more readable compared to Maven's XML.
  • Flexibility: It allows for highly customized build processes and supports multi-module projects.
  • Performance: Gradle is designed for speed and efficiency, making it suitable for large-scale projects.

Advantages of Gradle

Gradle is a more flexible and modern build tool. It uses a Groovy-based DSL (domain-specific language) or Kotlin to define build scripts. It's known for its conciseness and extensibility, making it a good choice for complex projects.

Use Gradle if:

You want a more expressive and customizable build system, especially for complex and performance-critical projects.

Ant: The Simple and Lightweight Option

Ant, while less common today, remains a simple and lightweight build tool that uses XML-based build scripts.

Some advantages of Ant include:

  • Simplicity: Ant is straightforward and easy to learn, making it a good choice for small projects or when you need direct control.
  • No Convention Over Configuration: Unlike Maven, Ant doesn't impose specific project structures or configurations, giving you full control.

Advantages of Ant

Ant is an older build tool that uses XML for build scripts. It's lightweight and simple to understand, which can be an advantage for small projects or when you want full control over the build process.

Use Ant if:

You require simplicity and full control over the build process, or when dealing with legacy projects that use Ant.

Comparing Maven, Gradle, and Ant

Let's compare these build systems in a few key areas:

  • Ease of Use: Maven is user-friendly due to its conventions, while Gradle offers flexibility. Ant requires manual configuration.
  • Flexibility: Gradle is the most flexible, followed by Ant. Maven, while structured, can be less flexible in certain scenarios.
  • Community and Support: Maven has a well-established community. Gradle's community is growing, and Ant's community is relatively smaller.

How to Use these Build Systems in a Java Project

Now we'll go through a step-by-step guide on how to set up and use these build systems in your Java project within the NetBeans IDE.

Install NetBeans

If you haven't already, download and install the NetBeans IDE from the official website ( ). Make sure to download the version that includes Java SE support.

After installation, open NetBeans:


Create a new Java Project

Click on File in the top menu. Then select New Project... .

Now we'll go through how to set up each of these build tools so you can choose which one works best for you.

How to set up Maven

In the New Project dialog box, choose Java with Maven under Categories and Java Application under Projects . Finally, click the Next > button:


Project Configuration

Let's use the default project name and location, in the Project Name and Project Location field. This will be the name of our Java project and location where our project will be saved. After that, we will click the Finish button.

In Java, it is a convention that the name of the Java source file should match the name of the public class defined within that file.


Write Your Java Code

NetBeans will create a basic Java project structure for us. When we click Finish , the Main file will open as shown below:


In Java projects, in the   Projects tab on the left, when you expand your project folder you'll see the src folder where your Java source code should go. You'll also find a file, which is your main class.

Below is Maven's interface:


As shown above, this is a standardized and structured approach.

And now you're all set with Maven. Next, let's look at the process for setting up Gradle.

How to set up Gradle

In the New Project dialog box, now we will choose Java with Gradle under Categories and Java Application under Projects . Then click the Next > button:


After clicking Next> click Finish then wait for initialization to complete:


After, that, NetBeans will create a basic Java project structure for us. Let's now open our Main file:


Our main file contains a basic Gradle with Java starter code.

Below is Gradle's interface:


As shown in the interface, this is a more expressive and customizable build system.

Lastly, let's look at how you can set up Ant.

How to set up Ant

In the New Project dialog box, now we will choose Java with Ant under Categories and Java Application under Projects . Then click the Next > button:


Leave the default configurations as they are, then click Finish :


NetBeans will create a basic Java project structure for us. Let's now open our Main file :


Our main file contains basic java starter code.


Compared to Maven's and Gradle's code structure, Ant's code structure is the simplest, as shown above.

Build and Run Your Program

To run your program, click the Run button in the NetBeans toolbar or press Shift+F6 . You'll see the output in the Output window at the bottom of the NetBeans IDE.

For example, this Java program:

prints Hello, World! to the console:


Choosing the right build system for your Java projects depends on various factors, including project size, team familiarity, and specific requirements.

Maven provides structure and standardization, Gradle offers flexibility and performance, and Ant simplifies the build process.

After reading this guide, you should now be able to make an informed choice based on your project's needs. Consider exploring more about each build system to master its capabilities:

  • Gradle docs

A curious full-stack web developer. I love solving problems using software development and representing Data in a meaningful way. I like pushing myself and taking up new challenges.

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  • Build, Test, Deploy
  • Java Build Tools

What are the best Java Build Tools ?

Gradle, apache maven, cmake, sonatype nexus, and bazel are the most popular tools in the category "java build tools". "flexibility" is the primary reason developers pick gradle over its competitors, while "dependency management" is the reason why apache maven was chosen..


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List of Open Source Java Build Tools

  • by devopscube
  • November 20, 2022

List of Popular Open Source Java Build Tools

Java is a popular programming language, and as such there are many open-source Java build tools available. This article looks at 4 of the most popular Java build tools.

It also covers when you should use each tool in development. Finally, it provides some helpful tips on how to get started using these tools effectively.

A lot of engineering teams are using Java Build tools to automate their build processes. This article will look into popular and widely used open-source Java build tools with their pros and cons.

What is a Java Build Tool?

A java build tool is a program or command-line utility that automates the process of compiling, assembling, and deploying software.

Build tools are often used to automate processes such as building an application binary from source code

Build tools are not only limited to just compiling code, they can also help with the following: package management, dependency handling, and in continuous integration pipelines.

When it comes to continuous integration build tools play an important part in building and packaging the source cod e by handling all the dependencies.

Best Open Source Java Build Tools

Following is the list of Open source Java Builds.

Apache Maven

  • Ant with ivy

Maven Website:

One of the most popular is Maven, which was originally developed in 2001 and has since been adopted as the de facto standard for building Java projects.

Maven’s scalability and extensibility make it an attractive choice for small development teams who need automated builds but don’t have a lot of resources allocated toward software engineering overhead.

You can get started by installing maven .

Official Website:

Gradle is built upon the concepts of ant and maven. Gradle uses Groovy scripts for declaring the project configuration. Gradle was designed for multi-project builds and supports incremental builds by determining which parts of the build are up-to-date.

Ant is mostly treated as a legacy right now. Industry going forward with Gradle build tool. I personally feel, Ant and Maven still we can use it, it mainly depends on the project. Sometimes we can use a combination of Ant and Gradle, Maven and Gradle, or even three together.

Official Website:

SBT is a Scala-based build tool. It’s considered to be among the most popular Java Build Tools. Sbt has many plugins and allows developers to easily create their own custom tasks for specific purposes.

The SBT can execute projects in multiple JVM languages, including Ruby and JavaScript.

One of the main benefits of using SBT with a java project is that it can automatically download the dependencies and set up a development environment

SBT for java has many plugins which are contributed by third-party developers.

Apache Ant with ivy

Official Website:

Ant is a java library, which helps to drive the process defined in the build file. Mainly Ant is used to build java applications. Ant is very flexible; it does not impose any rules like coding conventions, or directory structure. Ivy is a subproject of Ant, which acts as a dependency manager.

Here you can refer to some ant scripts: Ant Scripts

What is the Need for Java Build Tools?

The answer to this question is simple: if we are not automating our build processes then we will be spending more time doing manual work.

We can say that a build tool should automate the process of compiling, packaging, and deploying an application.

ANT vs Maven

Let me share with you some of the important differences between ANT and Maven.

  • ANT – we need to provide information about the project structure whereas Maven has a convention to place source code, compiled code, packages, etc., So for Maven, we do not need to provide information about the project.
  • Maven has a life cycle of the build process, whereas ANT does not.
  • Maven is a framework and Ant is just a tool.
  • Ant is mainly for building tools and Maven is mainly a project management tool.
  • Ant is less preferred and Maven is more preferred than Ant.

Maven vs Gradle

Let me share with you some of the important features or reasons, which Gradle is having and Maven does not. These features promoting Gradle to choose over other build tools.

  • When it comes to performance, Gradle has features like Incremental build and Compiler Daemon, which increase dramatic speed and reduced build time.
  • Ant integration with Gradle works very well.
  • Google adopted Gradle as the default build tool for android projects. so Gradle has more support for better building Android projects.
  • Gradle releases a new version usually every 6 to 8 weeks and adds new features every release.

For a more detailed comparison between Maven and Gradle. Please refer to this link. 

In this article, we have learned about some of the popular open-source java build tools . Of course, selecting a build tool for your java projects depends on your choice. If you have any queries regarding the build tools, leave a comment below.

Also, in terms of DevOps , it is very important to know about build tools. Check out the DevOps Engineer guide to know more.

  • Build Tools

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Established in 2014, a community for developers and system admins. Our goal is to continue to build a growing DevOps community offering the best in-depth articles, interviews, event listings, whitepapers, infographics and much more on DevOps.

The java programming language is based on the syntax of C and C++ but has a simpler object model. Though it provides very little lower level functionality.

First, thanks for providing information. My question is, if i want to use java, spring, JPA, apache camel, infinispan cache, jboss server. Which one should i use?

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The Most Popular Java Tools for Every Phase of Development

  • September 25, 2023
  • No Comments

Feature image - The Most Popular Java Tools for Every Phase of Development

Java is a really popular computer language that people use to create all sorts of computer programs. Think of it as a language computers understand. But what makes Java even cooler is that it comes with a bunch of handy tools that make it easier to create those programs.

Imagine building a house. You need different tools for digging, hammering, painting, and more. Similarly, when you create a computer program with Java, you need tools for different steps, like writing the code, testing it, and making it work really well.

In this blog, we’re going to show you these special tools for each step. Whether you’re new to Java or a pro, these tools will help you write better code and make your work smoother. So, let’s get started and discover the world of Java tools that’ll make your computer programming adventure a lot more fun and successful!

Phase 1: Java Development Environment Setup

Setting up a proper Java development environment is the first step in your coding journey . Here, we’ll discuss the essential tools, including popular Integrated Development Environments (IDEs) like Eclipse, IntelliJ IDEA, and NetBeans, along with their benefits, features, and installation tips.


Eclipse is a free and open-source IDE known for its flexibility and extensive plugin ecosystem. It supports Java development out of the box. Code completion, refactoring, and a powerful debugger. It’s highly customizable, making it suitable for various programming languages and frameworks.

Installation Tips:

  • Download Eclipse from the official website.
  • Follow the installation instructions for your operating system.
  • Configure the IDE for Java development by installing the necessary plugins if they are not included in your package.

2. IntelliJ IDEA

IntelliJ IDEA

Intel liJ IDEA is known for its user-friendliness and strong support for Java development. It offers a free Community edition and a paid Ultimate edition. Intelligent code assistance, built-in version control, and excellent refactoring tools. It also supports a wide range of programming languages.

  • Download IntelliJ IDEA Community or Ultimate Edition from JetBrains’ website.
  • Follow the installation instructions, and you’ll be up and running with a Java-ready IDE.

3. NetBeans

Netbeans IDE

NetBeans is an open-source IDE that’s easy to use and suitable for Java development, web development, and more. Smart code templates, efficient project management, and seamless integration with Git. It’s also known for its strong support for JavaFX.

  • Download NetBeans from the official website.
  • Install it by following the instructions, and you’ll have a versatile IDE for Java development.

Setting up your Java development environment with one of these IDEs is a great starting point. Choose the one that suits your needs and preferences. Once you’ve installed your chosen IDE, you’ll be ready to start writing, testing, and building Java applications in a developer-friendly environment.

Phase 2: Java Code Writing and Editing

Now that you’ve set up your Java development environment, it’s time to dive into writing and editing your code. In this phase, we’ll introduce code editors and tools that will make your coding experience smoother and more productive. We’ll focus on popular choices like Visual Studio Code and Sublime Text, explaining their benefits and how they can enhance your coding process.

1. Visual Studio Code (VS Code)

Visual studio code

Visual Studio Code is a free, open-source code editor developed by Microsoft. It’s highly customizable and supports a wide range of programming languages, including Java. Syntax highlighting, code completion, and an extensive library of extensions and plugins. It also offers an integrated debugger.

  • Download Visual Studio Code from the official website.
  • Install the Java Extension Pack to enable Java development support.
  • Customize your VS Code experience by exploring and installing relevant extensions from the marketplace.

2. Sublime Text

Sublime Text is a lightweight and fast code editor known for its simplicity and speed. It’s also highly customizable. Syntax highlighting, multiple selections, and a distraction-free mode for focused coding. It supports various programming languages.

  • Download Sublime Text from the official website.
  • Install the “Package Control” package to easily manage and install plugins.
  • Explore the available packages and install those that enhance your Java development experience.

3. Eclipse (As an Alternative)

If you prefer an IDE but want a lighter coding experience, you can use Eclipse as a code editor. It allows you to open and edit Java files without creating a project. Download and install Eclipse (if you haven’t already) from the official website. Launch Eclipse, open a Java file, and start coding.

Tips for Configuration and Customization

  • Explore the settings/preferences of your chosen code editor to tailor it to your preferences.
  • Consider installing Java-specific extensions or packages for enhanced Java support.
  • Familiarize yourself with keyboard shortcuts to boost your productivity.
  • Learn about debugging features and how to set breakpoints to identify and fix issues in your code.

These code editors provide a lightweight and flexible environment for writing and editing Java code. Choose the one that suits your coding style and preferences. Whether you opt for Visual Studio Code, Sublime Text, or even Eclipse as a code editor, you’ll find that these tools can significantly improve your coding experience, making it more efficient and enjoyable.

Phase 3: Java Building and Compilation

In this phase, we’ll dive into the essential Java build tools, Apache Maven and Gradle. These tools play a crucial role in managing dependencies, building projects, and automating tasks in your Java development journey.

1. Apache Maven

Apache Maven is a widely used build automation and project management tool. It helps manage project dependencies, compile code, and create executable artifacts (e.g., JAR files). Maven simplifies the management of external libraries and dependencies. You define your project’s dependencies in a clear and concise way in the pom.xml file. Maven follows a “convention over configuration” approach, making it easy to understand and use. Standardized project structures and naming conventions save time. Maven central repository hosts a vast collection of libraries and dependencies, making it easy to find and use popular Java libraries .

Example: Creating a new Maven project:

Install Maven: Follow the installation guide here.

Create a new Maven project using the command mvn archetype: generate.

Maven will generate a project structure and a pom.xml file for managing dependencies.

Gradle is another build automation tool that focuses on flexibility and performance. It’s known for its Groovy-based build scripts. Gradle offers a highly flexible build system. You can write custom-build scripts using Groovy or Kotlin. Gradle is designed for speed and can efficiently handle large projects. Gradle supports incremental builds, which means it only rebuilds what has changed, reducing build times.

Example: Creating a new Gradle project:

Install Gradle: Follow the installation guide here.

Create a new Gradle project by creating a build.gradle file and define your project’s dependencies and tasks.

Strengths and Weaknesses

Maven Strengths

  • Maven enforces strong conventions, making it easy for developers to understand and work on different projects.
  • Maven has a large and active community, resulting in extensive documentation and support.

Maven Weaknesses

  • Some developers find Maven’s conventions limiting when dealing with complex or non-standard project structures.
  • Configuring Maven projects often requires editing XML files, which can be verbose.

Gradle Strengths

  • Gradle offers more flexibility and customization, making it suitable for a wide range of project types.
  • Using Groovy or Kotlin to build scripts can be more concise and expressive than XML.

Gradle Weaknesses

  • Gradle’s flexibility can result in a steeper learning curve, especially for newcomers.
  • While Gradle has a growing community, it may have fewer resources and plugins compared to Maven.

Choosing between Maven and Gradle depends on your project’s requirements and your familiarity with each tool. Both have their strengths, so consider your specific needs when deciding which one to use in your Java development projects.

Phase 4: Java Testing

Testing is a critical phase in Java development to ensure code quality and reliability. Two popular testing frameworks, JUnit and TestNG, play a significant role in facilitating unit testing and other forms of testing in Java projects.

JUnit is one of the most widely used Java testing frameworks. It simplifies unit testing by providing a framework for writing and running tests. Unit testing involves testing individual components (units) of your code in isolation. It helps catch bugs early, ensure code correctness, and maintain code quality. JUnit uses annotations to define test methods, making it easy to identify and run tests. It provides a wide range of assertion methods to check if the expected outcomes match the actual results. JUnit offers test runners that manage test execution and generate reports.

Example: Writing and running a simple JUnit test class.

Import JUnit in your project.

Create a test class with test methods annotated with @Test.

Use JUnit assertions to validate expected outcomes.

Run tests using an IDE or build tool.

  • JUnit Official Website
  • JUnit User Guide

TestNG (Test Next Generation) is another testing framework for Java that is inspired by JUnit. It provides additional features and flexibility for testing. Like JUnit, TestNG promotes unit testing and helps ensure that individual components of your code work correctly. TestNG also uses annotations to define test methods and provides additional annotations for configuration and grouping. TestNG supports parallel test execution, making it suitable for testing performance and scalability. It offers built-in support for data-driven testing, where you can run tests with different input data.

Example: Writing and running a simple TestNG test class.

Import TestNG in your project.

Use TestNG assertions to validate expected outcomes.

  • TestNG Official Website
  • TestNG Documentation

Phase 5: Java Version Control and Collaboration

Both JUnit and TestNG are powerful tools for writing and executing tests in Java. They help maintain code quality, catch issues early in the development process, and ensure the reliability of your Java applications. The choice between them depends on your specific project requirements and testing preferences.

In this phase, we’ll explore version control systems like Git and collaboration platforms like GitHub and GitLab. These tools are essential for tracking changes, collaborating with teams, and managing code repositories efficiently.

Git is a distributed version control system that tracks changes in your code. It helps developers work collaboratively and manage code history. Version control allows you to keep track of code changes, work on different features simultaneously, and revert to previous versions when needed.

Setting Up a Git Repository

Install Git: Download and install Git from the official website ( Git Downloads ).

Configure Git: Set your name and email address using the following Git commands:

git config –global “Your Name”

git config –global “ [email protected] ”

Create a Repository: Use the git init command to create a new Git repository in your project folder.

Basic Git Commands:

git add: Stages changes for commit.

git commit: Commits staged changes with a message.

git push: Pushes changes to a remote repository.

git pull: Pulls changes from a remote repository.

git clone: Creates a copy of a remote repository on your local machine.

  • Git Official Website
  • Git Documentation

2. GitHub and GitLab

GitHub and GitLab are popular platforms that provide hosting for Git repositories. They offer collaboration features like issue tracking, pull requests, and code reviews. These platforms enable teams to collaborate on projects, manage code contributions, and track issues and enhancements.

Setting Up a Repository on GitHub or GitLab:

Create an Account: Sign up for a GitHub or GitLab account.

Create a Repository: Click the “New Repository” button and follow the steps to create a new repository.

Clone the Repository: Use the git clone command to create a local copy of the repository.

Best Practices for Collaborative Development

  • Create separate branches for different features or bug fixes.
  • Use pull requests for code reviews and merge changes into the main branch.
  • Create and manage issues for tracking tasks, bugs, and enhancements.
  • Collaborate with team members by reviewing and discussing code changes.
  • GitHub Guides
  • GitLab Documentation

Version control systems like Git and collaboration platforms like GitHub and GitLab are indispensable tools for modern software development. They enable teams to work together effectively, track changes, and maintain code quality throughout the development process. Familiarizing yourself with these tools and best practices will greatly enhance your ability to collaborate on Java projects.

Phase 6: Java Continuous Integration and Continuous Deployment (CI/CD)

In this phase, we’ll explore Continuous Integration (CI) and Continuous Deployment (CD) tools like Jenkins, Travis CI, and CircleCI. These tools play a vital role in automating the build, testing, and deployment processes, resulting in a more efficient development workflow.

Jenkins is an open-source automation server that enables Continuous Integration and Continuous Deployment. It automates tasks like building, testing, and deploying code. CI/CD helps maintain code quality, reduces integration issues, and allows for frequent and reliable code deployments.

Basic Setup Guide for Jenkins

Install Jenkins: Follow the installation guide for your operating system from the official website ( Jenkins Installation ).

Initial Configuration: After installation, access Jenkins through your web browser. 

Follow the setup wizard to complete the initial configuration.

Create a Jenkins Job: Create a new Jenkins job to automate tasks. Configure build and test steps in your job.

Connect to Version Control: Integrate Jenkins with your Git repository to trigger builds on code changes.

  • Jenkins Official Website
  • Jenkins Documentation

2. Travis CI

Travis CI is a cloud-based CI/CD service that automates the testing and deployment of code changes. Travis CI simplifies the process of building and testing code whenever changes are pushed to a repository. It also integrates with popular version control platforms like GitHub.

Basic Setup Guide for Travis CI:

Sign in to Travis CI: Access Travis CI through your GitHub account. You may need to grant permissions to your repositories.

Create a .travis.yml File: Configure your build and test settings in a .travis.yml file in your repository.

Trigger Builds: Push code changes to your GitHub repository to trigger Travis CI builds.

  • Travis CI Official Website
  • Travis CI Documentation

3. CircleCI

CircleCI is a cloud-based CI/CD platform that automates the development workflow. It supports building, testing, and deploying code. CircleCI helps teams streamline their development process by automating repetitive tasks and providing reliable builds and deployments.

Basic Setup Guide for CircleCI:

Sign in to CircleCI: Access CircleCI through your GitHub account and configure your project settings.

Create a .circleci/config.yml File: Define your build and test configuration in a .circleci/config.yml file in your repository.

Automate Workflows: Set up workflows to trigger specific tasks, such as building, testing, and deploying, on code changes.

  • CircleCI Official Website
  • CircleCI Documentation

CI/CD tools like Jenkins, Travis CI, and CircleCI automate the build, test, and deployment processes, making development more efficient and reliable. These tools integrate seamlessly with version control systems, enabling teams to deliver high-quality code continuously. Adopting CI/CD practices enhances the development workflow and accelerates code deployment, ensuring that changes are delivered to production quickly and with confidence.

Phase 7: Java Performance Tuning and Profiling

Performance tuning is a crucial phase in Java development to ensure that your applications run efficiently and smoothly. Profiling tools like VisualVM and YourKit are invaluable in identifying performance bottlenecks, optimizing memory usage, and improving code efficiency.

1. VisualVM

VisualVM is a free, open-source Java profiler and performance monitoring tool. It comes bundled with the Java Development Kit (JDK) and provides insights into the performance of Java applications. Profiling tools like VisualVM help developers identify performance bottlenecks, memory leaks, and other issues that affect application performance.

How VisualVM Helps:

  • VisualVM allows you to monitor CPU usage, memory usage, and thread activity in real-time.
  • You can capture and analyze heap dumps to identify memory-related problems.
  • VisualVM offers profiling capabilities to discover performance bottlenecks in your code.

Example: Profiling and optimizing a Java application with VisualVM.

Launch VisualVM and connect it to your Java application.

Use the CPU profiler to identify methods consuming the most CPU time.

Analyze heap dumps to identify memory-related issues.

  • VisualVM Official Website
  • VisualVM Documentation

2. YourKit Java Profiler

YourKit is a commercial Java profiler known for its advanced profiling capabilities. It helps developers analyze code performance, memory usage, and threading issues. Profiling with tools like YourKit enables in-depth analysis of code execution and resource usage, leading to optimized and efficient applications.

How YourKit Helps:

  • YourKit provides detailed CPU profiling reports, highlighting hotspots in your code.
  • It helps identify memory leaks and excessive memory usage.
  • You can analyze thread behavior and identify threading bottlenecks.

Example: Profiling and optimizing a Java application with YourKit.

Download and install YourKit.

Attach YourKit profiler to your running Java application.

Use the profiler to analyze CPU, memory, and thread performance.

  • YourKit Java Profiler
  • YourKit Documentation

Importance of Performance Tuning:

  • Performance tuning is essential for delivering responsive and efficient Java applications.
  • Optimized applications consume fewer resources, reducing infrastructure costs.
  • Improved performance enhances user satisfaction and retention.

Incorporating profiling tools like VisualVM and YourKit into your Java development process allows you to identify and address performance bottlenecks, memory issues, and inefficiencies. This results in more efficient and responsive Java applications that deliver a better user experience and reduce operational costs.

It’s really important to choose the right tools for each step of your project. Don’t be afraid to explore and try different tools to see which ones work best for you and your project. Keep learning and improving your skills, and you’ll create great Java applications. Happy coding!

What is the best Integrated Development Environment (IDE) for Java development?

There isn’t a one-size-fits-all answer to this question. The best IDE depends on your personal preferences and project requirements. Eclipse, IntelliJ IDEA, and NetBeans are popular choices, each offering unique features.

Eclipse is known for its flexibility and extensive plugin support, IntelliJ IDEA for its intelligent code assistance, and NetBeans for its simplicity. It’s a good idea to try them out and see which one aligns with your workflow.

Why is Continuous Integration and Continuous Deployment (CI/CD) important in Java development?

CI/CD automates the process of building, testing, and deploying code changes. In Java development, it ensures that code changes don’t introduce bugs or performance issues by running automated tests.

This approach accelerates development, improves code quality, and allows for frequent and reliable deployments. It’s crucial in collaborative projects where multiple developers work on the same codebase and in delivering updates to users rapidly.

How can I ensure code quality and consistency in a Java project?

Code quality and consistency can be maintained using tools like Checkstyle, which enforces coding standards, and by writing comprehensive Javadoc documentation. Checkstyle helps identify code style violations, ensuring that your code adheres to predefined standards.

Javadoc, on the other hand, generates clear API documentation from your code comments, making it easier for you and other developers to understand and use your code. Both practices contribute to maintaining high-quality, maintainable code.

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Top Java Build Tools And Continuous Integration Tools You Should Start Using In 2021.

Xblog JavaBuildTools

What Are Java build tools?

Java build tools are fundamental tools you need for development. You simply cannot code without a build tool as after writing a code in an IDE, a Java build tool is required for compiling the code, building the packages and for the creation of an executable Java application from the source code. That makes the Java build tools a vital part of development.

Table of Contents

Thanks to top software engineers behind Java technologies, there are many remarkable Java build tools available. All these tools now offer build automation that automates the software building process instead of manually invoking the compiler. This would be accomplished via the automated Java build tools, which we will get to in a bit.

Right now, let’s have a look at some of the top Java build tools you should be using in 2021. All these build tools for Java have unique features that make them stand out and all of them are exceptional in terms of functionality and performance.

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See Also: Top Java Performance Testing Tools and Technologies In 2021

Gradle is one of the modern automated Java build tools. It is mainly used in the development of Java applications and it directly competes with Maven and Ant as they offer very similar functions as Gradle. The highlighting feature of Gradle is that it’s a very lightweight build tool as compared to Maven and Ant as they have significantly larger XML configuration files.

Some promising features of Gradle include:

Scalability – Gradle offers a high level of scalability and extensibility thanks to a wide range of plugins and integrations that expand its automation functionality to a great extent. Gradle is also known for solutions that enable Java applications to work seamlessly between the web and mobile applications.

Parallel execution – Gradle also allows parallel execution of tasks and sub-tasks that work using a Worker API. Parallelism is executed seamlessly here giving users a much faster performance.

Parallel download of dependencies – Gradle also allows downloading of both dependency metadata (usually `pom.xml`) and its artifacts simultaneously. This is done as per the user’s requirements of the artifacts.

Task timeouts – Gradle has a feature through which it can assign a specific timeout to each of its tasks to limit its execution time. When a task reaches its timeout, whether it is finished or not, its task execution thread is interrupted which allows the build to finish. This feature can have many applications by giving the user more control over prioritizing the tasks. 

2.  Apache Ant

Apache Ant was one of the first modern Java build tools introduced. It was a part of the Apache Tomcat project and was released in early 2000. As it was among the first-generation build tools for Java, it had some limitations like the lack of dependency management. To cater to that, Apache packaged their dependency management tool Ivy with Ant. 

Despite these shortcomings, Ant is not way behind other Java build tools on the list as it offers some unique features that have earned it the place on this list.

These features include:

  • It is the most complete Java build and deployment tool available. Being in the industry for quite some time, it has been updated according to the needs and requirements of Java developers.
  • It is a platform-neutral build tool. Developers do not have to be concerned about the platform while using Ant, as it can easily handle all platform-specific properties like file separators. Despite being central neutral, developers can still perform platform-specific tasks like modifying the time of a file with the ‘touch’ command.
  • As XML is a widely used scripting language, Ant uses a heavy and old XML for writing scripts. It makes it a practical choice for developers who are already familiar with XML, and therefore can learn Ant pretty quickly.
  • Ant is quite good for automating some complicated and repetitive tasks in your application and it also comes with a long list of predefined tasks.
  • Ant also provides an interface to develop custom tasks and it can be easily integrated with a variety of IDEs including free as well as commercial IDEs.

3.  Apache Maven

Apache Maven was initially designed as a project management and comprehension tool based on a Project Object Model (POM) but it also offers applications of a build tool primarily for Java applications. It has been a popular choice among Java developers as compared to other Java build tools for quite some time. It is used for a variety of tasks ranging from project builds, to project dependency management as well as documentation.

Maven is still one of the best options for building an enterprise Java web application as it offers all the required features to create a great application using the POM file.

Some prominent features of Maven include:

  • A very straightforward and simple project setup following all the best practices and consistent usage across all the projects.
  • It offers great extensibility, with the feature to write plugins in Java or XML. A large and continuously growing repository of libraries is also available for developers.
  • Developers can easily build any number of projects into a predefined output type like jar, war or metadata. Using the same metadata used in the build process, you can easily generate a website along with a PDF file with all the required documentation of your project.
  • No extra configurations are required for accessing new features or for integration with the source control system to manage the release of a project.
  • Maven also offers backward compatibility for all older maven versions, allowing users to easily port multiple modules of a project into Maven 3 from any older versions of Maven.

Bazel is one of the open-source Java build tools that automate the software building and testing process, very similar to other automated build tools for Java like Maven, Ant and Gradle.  It supports projects in multiple languages and also builds outputs for multiple platforms.

It supports all the essential build tasks including running compilers and linkers for producing an executable program and assembling deployable packages for all target environments. 

You can build standalone, self-contained jar files for Java using Bazel that can easily run with very few dependencies on various OS including normal UNIX systems.

Bazel supports conventions for building complex Java programs like a program that processes tons of data or a program that has to run another program as a subprocess.

Bazel can make automatically reproducible builds unless you do not change the toolchain, or your build includes some custom steps like executing binaries through a shell script inside a rule. In that case, you will have to be extra cautious.

What are Java continuous integration tools?

Continuous integration (CI) tools are defined as automated processes that can build your software continuously while developers work on maintenance by performing various testings to ensure the working of the code. For instance, every 15 to 30 minutes, a server might scan the VCS for new check-ins, then update and build the project if it requires any changes. This is also a great way to run automated testing and perform extensive code quality checks.

1.  Jenkins 

Jenkins  is a CI build tool for Java. It’s a free and open-source build tool written in Java. It provides a smooth process for ongoing development, code testing, and deployment of your project. 

The highlighting factor of Jenkin is its continuous integration process. It’s a bit different from the traditional building process as developers can add new features or edit the code by committing changes to the source code from a shared repository. All the changes made are then kept to build continuously. The frequency of these changes usually occurs multiple times in a day so all commits are also monitored by the CI server for verification and to maintain efficiency. It is preferred by the developers as it significantly reduces the burden upon the testing staff and also permits integration in lesser time.

Jenkins offers some very attractive features for Java developers like:

  • The simple installation process – being a platform-agnostic and self-contained Java build tool, Jenkins is always ready to be run on most operating systems including Windows, Mac OS, and Unix.
  • It is very easy to set up and configure using its web interface. It also features error checking and a built-in help function.
  • There is a huge variety of plugins available to be integrated with every tool in the CI and CD toolchain which provides a significant extension for developers.
  • It also allows developers to seamlessly distribute their work across multiple machines for a parallel execution resulting in faster building, testing, and deployment across multiple platforms.

SBT is yet another CI build tool for Java and Scala projects. Despite offering some good build features similar to other Java build tools like Apache’s Maven and Ant, it is a bit underrated due to its popularity as a Scala build tool.

Its main features that can be very useful for Java projects include:

  • The dependency management is done using Apache Ivy which is also integrated with Apache Maven.
  • It supports mixed Java/Scala projects, making it the best choice for developers working on both programming languages.
  • SBT also supports extensibility as the functionality of SBT can be extended using a plugin architecture. A dedicated website is available with all the community contributed plugins featuring options from signing, packaging, publishing and releasing artifacts. As well as plugins for establishing connections to other services like blogs and databases, or for integration with other technologies like deploying to the Android platform.
  • There are also plugins available to automatically create project files for Java IDEs like Eclipse and IntelliJ IDEA.

CMake is one of the open-source Java build tools that manage the build process in a compiler in an independent way. It is primarily used to control the software building and compilation process using simple platform configurations that can be used in the compiler environment, including the Java runtime environment.

Some of its notable features are:

  • CMake is made to be primarily used with a native build environment. It can generate a native build environment for developers that will compile source code, create all the required libraries, generate the wrappers and build the executables in arbitrary combinations. 
  • It also supports multiple builds from a single source tree whether it is a static or a dynamic library build. 
  • CMake offers a variety of pre-defined commands, but depending on your project requirements, you can also add your own commands. Developers also have the option to add other makefile generators for a particular compiler or OS combination.
  • As CMake is open source with an extensible design, it allows them to be extended to support new features. 

4.  TeamCity

TeamCity by JetBrains is one of the build tools for Java that are primarily used to build management and for continuous integration. 

It offers some attractive features for Java developers that makes it a contender for this list.

Those features are:

  • It features Gated commits which means that it prevents Java developers from breaking the sources in a version control system. It first runs the build remotely for any local changes then commits them.
  • It offers a parallel building by using the Grid feature. A grid in TeamCity allows developers to run multiple builds and test them under different platforms and environments parallelly saving a lot of time and resources.
  • It also offers some very useful fully integrated features like code coverage, inspections and checking for duplicates searches in your code. Integration with Java IDEs is also available including integration with Eclipse, IntelliJ IDEA and Visual Studio.
  • It supports cross platforms so if you are working on .NET or Ruby along with Java then it can be a suitable choice of build tool for you.

5.  CruiseControl

CruiseControl is a Java build tool for a continuous build process. Its notable features include plugins for email notification, Apache Ant Support and some integral source control tools. It provides a web interface to view all the essential details of the in-progress as well as previous builds. 

CruiseControl is not a feature-rich Java build tool like others mentioned in the list but it is a free, open-source software ideal for beginners who are working with building tools for the first time. CruiseControl is a unique build tool as it was created by a group of developers who wanted to work with continuous integration on one of their projects, making it one of the developer-oriented build tools for Java.

6.  Travis CI

Travis CI is a hosted build tool for continuous integration service. It is used to build and test software projects hosted on GitHub and Bitbucket.

It was the first CI service that started providing continuous integration building services to open-source projects for free. It can be easily configured with your project by adding a file named .travis.yml. It is a YAML format text file to the root directory of the repository. This file specifies some basic things regarding your project like the programming language used, the preferred building and testing environment and various other required parameters.

Travis CI can be configured to run the tests on a range of different machines running different software. Along with Java, it supports a huge range of other programming languages like C, C++, C#, Clojure, D, Erlang, F#, Go, Apache Groovy, Haskell, JavaScript, Julia, Perl, PHP, Python, R, Ruby, Rust, Scala, Swift, and Visual Basic.  Despite being a hosted service, many prominent open-source projects have also been using it to run their builds and for testing every commit.  


All these Javas build tools and continuous integration tools discussed above are some of the best automated and build tools. Although both types of tools do not depend on each other, a suitable combination of the two can significantly impact the performance of your development team in terms of efficiency and better resource management.

See Also: Top Java Debugging Tools for 2021

While both the available tools aim to offer speed and stability in  projects for Java developers, it all comes down to the one you are comfortable working with and the kind of investment you are willing to make ranging from free to paid options.

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Shaharyar Lalani is a developer with a strong interest in business analysis, project management, and UX design. He writes and teaches extensively on themes current in the world of web and app development, especially in Java technology.


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A Comprehensive Comparison of the Top 5 Java Build Tools

write 3 tools for java build

Efficiency and automation are essential in the constantly changing world of software development. Java programmers are aware of the value of having a reliable build process that smoothly tests, builds, and packages their code. Here is where build tools are useful. Given the variety of possibilities accessible, it’s critical to comprehend the advantages and disadvantages of each instrument before making a choice. We’ll set out on a trip to compare the top 5 Java build technologies in this article: Apache Maven, Gradle, Apache Ant, Bazel, and Buildr.

1. Apache Maven: The Reliable Workhorse

Few names are as well-known in the world of Java build tools as Apache Maven. Maven has established itself as a solid workhorse in the developer’s toolbox, streamlining the sometimes challenging tasks of creating, testing, and maintaining dependencies in Java applications. We’ll go deep into Apache Maven in this post, looking at its features, advantages, and some things to think about before deciding to use it for your projects.

What is Apache Maven?

Apache Maven is a build automation and project management tool that emerged as a response to the challenges faced by developers when working on Java projects. Maven was designed to standardize the build lifecycle, simplify project setup, and manage dependencies seamlessly.

Key Features and Benefits

1. convention over configuration.

One of Maven’s defining features is its “convention over configuration” philosophy. This means that Maven follows a set of predefined conventions, reducing the need for developers to configure every aspect of the build process. By adhering to these conventions, Maven can provide a consistent and predictable build experience across projects.

2. Dependency Management

Maven excels in managing project dependencies. It employs a centralized repository model, allowing developers to declare their project’s dependencies in a simple XML configuration file. Maven then automatically downloads the required dependencies from the repository, ensuring that the project is always using the correct versions.

3. Build Lifecycle

Maven introduces a standardized build lifecycle consisting of phases such as compile , test , package , install , and deploy . These phases define the sequence of tasks that are executed during the build process. Developers can bind their own custom tasks to these phases, allowing for greater control over the build.

Maven’s plugin architecture allows developers to extend its capabilities by adding custom functionality. A wide range of plugins are available for tasks like compiling code, running tests, generating documentation, and deploying artifacts. This extensibility makes Maven adaptable to various project requirements.

5. Central Repository

Maven Central Repository is a massive collection of open-source libraries and dependencies that Maven can automatically download and manage. This repository simplifies the process of integrating external code into projects, fostering code reuse and speeding up development.

Considerations When Using Maven

While Maven offers numerous advantages, it’s important to be aware of potential considerations:

  • XML Configuration : Maven relies heavily on XML configuration, which can be cumbersome for some developers, especially those accustomed to more concise configuration formats.
  • Learning Curve : While Maven’s conventions simplify many tasks, there is still a learning curve associated with understanding its build lifecycle, plugins, and configuration.
  • Customization : While Maven’s conventions are powerful, they might not cover every project’s unique requirements. Extensive customization may require a deep dive into plugin development.

Apache Maven has rightfully earned its place as a cornerstone in the Java development ecosystem. Its convention-over-configuration approach, dependency management capabilities, and standardized build lifecycle make it an attractive choice for projects of various sizes. By understanding its features and considerations, developers can leverage Maven’s strengths to streamline their build processes and focus more on writing code.

In the competitive landscape of Java build tools, Apache Maven remains a reliable workhorse that has stood the test of time, helping developers navigate the complexities of software development with confidence.

2. Gradle: The Groovy Powerhouse

In the dynamic world of Java build automation, one name stands out as a versatile and potent tool: Gradle. Driven by the power of Groovy, Gradle has emerged as a force to be reckoned with, offering developers an unprecedented level of flexibility and customization. In this article, we’ll dive into the realm of Gradle, exploring its strengths, features, and why it’s often hailed as the “Groovy powerhouse” in the world of Java development.

Introducing Gradle: A New Paradigm

Gradle is more than just a build tool; it’s a build automation system that redefines how developers approach the process of compiling, testing, and deploying code. At the heart of Gradle’s uniqueness is its scripting language: Groovy.

The Groovy Advantage

At the core of Gradle’s power lies Groovy, a dynamic and expressive programming language that serves as Gradle’s domain-specific language (DSL). Groovy’s syntax, heavily influenced by languages like Python and Ruby, allows developers to write concise, readable, and highly customizable build scripts. This gives Gradle a distinct edge over other build tools that rely on XML or other less expressive languages for configuration.

1. Flexibility and Customization

Gradle’s standout feature is its unparalleled flexibility. With Groovy as its backbone, developers have the freedom to define their build process with ease. This means tasks can be tailored to specific project requirements, rather than conforming to a rigid predefined structure.

Similar to Maven, Gradle boasts an efficient dependency management system. However, Gradle’s DSL allows for more advanced and fine-tuned control over dependencies. It supports transitive dependency resolution, conflict resolution strategies, and dynamic version selection, ensuring your project always uses the correct libraries.

3. Incremental Builds

Gradle’s incremental build capabilities significantly speed up the development process. Gradle tracks changes in your source code and only rebuilds the necessary components, leading to faster compilation times during development iterations.

4. Multi-Project Builds

Gradle excels in managing multi-project setups. With its support for hierarchical project structures, developers can manage dependencies, tasks, and configurations across multiple projects with ease.

5. Large Plugin Ecosystem

Gradle’s plugin ecosystem is vast and diverse, catering to a wide range of project requirements. Whether it’s integrating with different testing frameworks, packaging tools, or deployment platforms, chances are there’s a Gradle plugin available.

Why Choose Gradle?

Gradle shines for developers who value flexibility, customization, and efficient builds. However, there are some considerations to keep in mind:

  • Learning Curve : While Groovy is relatively easy to learn for developers familiar with other scripting languages, there might be a learning curve for those accustomed to XML-based build tools.
  • Build Speed : While Gradle’s incremental builds enhance speed, complex build scripts or improper configuration can lead to longer build times.

Gradle’s impact on the Java development landscape is undeniable. Its marriage of Groovy’s expressive power with build automation has revolutionized the way developers approach building, testing, and deploying Java applications. The “Groovy powerhouse” offers a level of customization and flexibility that empowers developers to create build processes tailored precisely to their project’s needs. As the world of software development continues to evolve, Gradle remains a go-to choice for those who seek to harness the power of a truly dynamic build automation system.

3. Apache Ant: The Classic Choice

In the fast-paced world of modern software development, sometimes it’s the classics that endure. Enter Apache Ant, a timeless Java build tool that has stood the test of time. While newer tools have emerged, Ant’s simplicity, straightforwardness, and reliability continue to make it a viable option for developers seeking an uncomplicated approach to building and managing Java projects. In this article, we’ll explore the enduring appeal of Apache Ant and why it remains the classic choice for many Java developers.

Unveiling Apache Ant

Born in an era when simplicity was highly regarded, Apache Ant was one of the earliest build automation tools created specifically for Java projects. Its name, an abbreviation for “Another Neat Tool,” belies its lasting impact on the software development landscape.

1. XML-Based Configuration

At the heart of Apache Ant lies its XML-based configuration approach. While some might consider XML verbose, it offers a clear and structured way to define build tasks, dependencies, and targets. This straightforward configuration is particularly appealing for those who prefer a declarative approach to building.

2. Target-Oriented Builds

Ant’s build process centers around “targets.” A target represents a specific task or set of tasks that can be executed individually. This modular approach makes it easy to perform specific tasks, such as compiling code, running tests, or creating deployment packages, without needing to build the entire project.

3. Portability

Ant’s reliance on XML means build scripts are platform-independent. Developers can create Ant build scripts that work consistently across different operating systems without modification.

4. Minimal Learning Curve

For developers already familiar with XML, Ant’s learning curve is minimal. The simplicity of its configuration and target-oriented approach makes it accessible to those new to build automation.

5. Extensibility

While Ant offers a core set of tasks for common build actions, it can be extended using custom tasks and third-party plugins. This extensibility allows developers to adapt Ant to their project’s unique requirements.

Considerations When Using Apache Ant

While Apache Ant offers several advantages, it’s important to be aware of its limitations:

  • Lack of High-Level Abstractions : Unlike some newer tools, Ant lacks high-level abstractions for complex build scenarios. This can lead to verbose build scripts, especially for intricate projects.
  • Dependency Management : Ant doesn’t offer built-in dependency management like Apache Maven or Gradle. Managing external libraries and their versions can be more manual.
  • Limited Expressiveness : XML’s verbosity might not be ideal for expressing complex logic, which can lead to more convoluted build scripts.

In the realm of Java build tools, Apache Ant stands as a testament to simplicity and reliability. Its XML-based configuration and target-oriented approach continue to attract developers seeking an uncomplicated way to automate their build processes. While newer tools offer more advanced features and greater flexibility, Apache Ant remains a classic choice that has helped countless developers navigate the complexities of building Java applications. Sometimes, in the quest for modernity, embracing a classic like Apache Ant can provide a timeless solution to the age-old challenge of building software.

4. Bazel: Google’s Build System

Title: Bazel: Google’s Cutting-Edge Build System Redefining Java Development

When tech giants like Google bring their expertise to the realm of software development tools, the industry takes notice. Meet Bazel, Google’s open-source build system that’s reshaping the landscape of Java development. With a focus on performance, reproducibility, and scalability, Bazel has become a go-to choice for organizations and projects with ambitious requirements. In this article, we’ll delve into the world of Bazel, exploring its unique features, advantages, and why it’s considered more than just a build tool—it’s a build system.

Introducing Bazel: The Google Touch

Bazel emerged from Google’s internal build tool, Blaze, which was designed to handle the massive codebase and complex dependencies of Google’s projects. Bazel takes the lessons learned from Blaze and brings them to the wider development community.

Key Features and Advantages

1. reproducibility and determinism.

Bazel’s build process is designed for reproducibility. It guarantees that the same input will result in the same output across different machines and environments. This feature is critical for projects with distributed teams or when building software across various platforms.

2. Incremental Builds and Caching

Bazel shines in the realm of performance. It employs incremental builds, reusing previously built artifacts whenever possible. This approach drastically reduces build times, making it an ideal choice for large projects with extensive codebases.

3. Scalability

Bazel’s architecture is built to scale. It can handle projects of any size, from small applications to massive codebases with millions of lines of code. This scalability makes Bazel suitable for enterprises and projects that need to maintain performance as they grow.

4. Language and Platform Agnostic

While Bazel has strong roots in Java development, it’s not limited to the Java ecosystem. It supports multiple programming languages and platforms, making it versatile for projects with diverse technology stacks.

5. Remote Execution and Caching

Bazel takes advantage of remote execution and caching. This means that builds can be distributed across a network, reducing the load on individual machines and enabling faster builds.

Why Choose Bazel?

Bazel’s unique strengths make it a compelling choice for certain types of projects:

  • Large Codebases : Bazel excels in projects with large codebases where build performance and scalability are critical factors.
  • Cross-Platform Development : Its support for multiple languages and platforms is advantageous for projects that span different technologies.
  • Reproducibility : Bazel’s focus on reproducibility is essential for teams working on distributed projects or delivering software to various environments.


Despite its advantages, Bazel might not be the best fit for all projects:

  • Learning Curve : Bazel’s unique concepts and syntax can pose a learning curve, especially for developers new to its paradigm.
  • Configuration Complexity : The need for defining build rules and dependencies can make Bazel’s configuration more complex than simpler build tools.

Bazel is a testament to Google’s commitment to innovation in the software development space. Its emphasis on performance, reproducibility, and scalability has garnered attention from companies and developers working on ambitious projects. By leveraging lessons learned from Google’s internal tooling, Bazel has become a versatile build system that’s not only reshaping how we build Java applications but also inspiring advancements in the broader software development ecosystem. As the industry continues to evolve, Bazel’s impact is set to ripple across diverse development landscapes, bringing Google’s expertise to the hands of developers worldwide.

5. Buildr: Ruby Flair for Java Projects

Title: Buildr: Infusing Java Projects with Ruby Flair for Unconventional Builds

When worlds collide in the realm of software development, innovative tools often emerge. Buildr, a unique build automation tool, brings the dynamic spirit of Ruby to the Java ecosystem, offering developers a fresh approach to project building. With its blend of familiarity and innovation, Buildr adds a touch of Ruby’s elegance to the world of Java development. In this article, we’ll explore Buildr’s distinctive features, its benefits, and how it introduces a touch of Ruby flair to Java projects.

Introducing Buildr: Where Java Meets Ruby

Buildr is more than just a build tool; it’s a domain-specific language (DSL) for building software projects. Built on top of the Ruby programming language, Buildr infuses the Java development process with the expressive and concise syntax of Ruby.

1. Ruby DSL for Build Configuration

One of Buildr’s defining features is its use of a Ruby DSL for build configuration. This DSL is concise, expressive, and familiar to developers who have experience with Ruby or other dynamic languages. It enables developers to define complex build tasks using clean and readable code.

Buildr excels in dependency management, allowing developers to specify project dependencies in a straightforward manner. This is done through Buildr’s artifact method, which provides a concise way to declare and manage dependencies.

3. Integrated Testing and Packaging

Buildr integrates testing and packaging seamlessly. The Ruby-flavored DSL extends to these aspects of the build process, providing a unified experience for developers as they write, test, and package their Java applications.

4. Convention Over Configuration

Like many modern build tools, Buildr embraces the “convention over configuration” philosophy. This means that Buildr makes intelligent assumptions about project structure, reducing the need for developers to configure every detail.

5. Powerful Plugins

Buildr’s plugin system is designed for extensibility. Developers can tap into a range of plugins that cover various tasks such as compiling, testing, packaging, and deployment, enhancing the flexibility of the tool.

Why Choose Buildr?

Buildr’s unique blend of Java and Ruby offers distinct advantages for certain types of projects:

  • Familiarity with Ruby : Developers with Ruby experience will find Buildr’s syntax and approach familiar, which can lead to increased productivity.
  • Concise Configuration : Buildr’s concise and expressive DSL reduces the verbosity often associated with XML-based configuration in other build tools.
  • Unconventional Builds : Buildr’s integration of Ruby allows developers to take unconventional approaches to build processes, giving them the freedom to explore creative solutions.

However, there are considerations to take into account when choosing Buildr:

  • Learning Curve : Developers not familiar with Ruby might face a learning curve when working with Buildr’s Ruby-flavored DSL.
  • Limited Adoption : While unique and powerful, Buildr might have a smaller community and ecosystem compared to more established build tools like Apache Maven or Gradle.

Buildr’s fusion of Ruby elegance with Java’s robustness is a testament to the creativity and innovation within the software development world. With its concise DSL, integrated testing, and unconventional approach, Buildr is a compelling choice for developers who seek a fresh perspective on building Java projects. While not as widely adopted as some other build tools, Buildr brings a dash of Ruby flair that can invigorate your development process and introduce a touch of unconventional creativity to your Java projects.

Comparative Analysis: Finding the Right Fit

Let’s delve into the key aspects developers consider when choosing a build tool:

  • Ease of Setup and Use : Maven’s convention-over-configuration model versus Gradle’s flexibility, Ant’s simplicity, Bazel’s learning curve, and Buildr’s unique approach.
  • Dependency Management : Maven’s centralized repository, Gradle’s highly customizable dependency resolution, and Bazel’s focus on reproducible builds.
  • Performance : Gradle and Bazel’s incremental builds shine here, making them optimal choices for larger projects.
  • Customization and Extensibility : Gradle’s powerful DSL and Bazel’s support for multiple languages give developers extensive customization options.
  • Community and Ecosystem : Maven’s vast community, Gradle’s growing popularity, and Bazel’s adoption by tech giants like Google contribute to their respective ecosystems.

Selecting the ideal build tool depends on your project’s size, complexity, and your team’s preferences. Apache Maven is a reliable all-rounder, Gradle offers a flexible and feature-rich experience, Apache Ant remains straightforward, Bazel excels in performance and scalability, and Buildr brings a unique flavor. Assess your project’s needs and priorities to make the best choice for your development journey.

In conclusion, the realm of Java build tools is vast, each with its unique approach to automation and efficiency. Whether you prefer the battle-tested reliability of Maven, the customizable power of Gradle, the simplicity of Ant, the performance focus of Bazel, or the Ruby-inspired twist of Buildr, the choice you make will significantly impact your development workflow. By understanding the strengths and weaknesses of each tool, you can confidently select the one that aligns with your project’s requirements and your team’s expertise. Happy coding!

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Top 10 Tools That Every Java Developer Should Know

Hey there, Java lovers! If you’re someone who enjoys coding in Java or you’re just starting out, you probably know that having the right tools can make a big difference. In this article, we’re going to talk about 10 tools that every Java developer should know about. Whether you’re new to Java or a pro, these tools will help you write better code, find and fix mistakes, and make your coding life easier. So, let’s dive in and discover the essential tools that can supercharge your Java programming skills!

Tools That Every Java Developer Should Know

What are Java Tools?

1. integrated development environments (ides), 2. build tools and dependency management, 3. version control system, 4. continuous integration/continuous deployment (ci/cd), 5. testing tools, 6. static code analysis tools, 7. application profilers, 8. database management/orm (object relational mapping), 9. web development and application servers, 10. containerization & orchestration.

Imagine the Java Development Kit (JDK) as your foundation – it’s where Java begins. Then, step into the comfort of an Integrated Development Environment (IDE) like Eclipse or IntelliJ IDEA, which makes coding a breeze. Version Control Systems (VCS) like Git help you track changes in your code and collaborate seamlessly with others. But that’s just the start; we’ll also delve into unit testing, debugging, code analysis, and more, all designed to empower you on your Java development journey, but before going to each tool, let’s understand what are Java Tools.

Java provides a wide range of tools for different parts of the development process, from coding to launching applications. Some tools are included in the Java Development Kit ( JDK ), while others are third-party tools developed by the community or other companies. Java has a variety of tools to enhance application efficiency, code quality, and overall productivity of the application. Following are the Java tools that can be extremely useful for Java developers .

Integrated Development Environments ( IDEs ) are software applications that provide a comprehensive set of tools for developers to write, edit, debug, test, and deploy code more efficiently. The IDEs for Java typically refer to a space where developers can write and edit Java code, fix errors by debugger, and directly compile and run Java applications from within the IDE, by testing of code. Below are the popular IDEs for Java.

1.1. Eclipse

A popular open-source Integrated Development Environment (IDE) with vast plugins and community support, those are primarily used for Java development. Whereas, the Eclipse IDE also supports other languages as well. Eclipse remains one of the most popular Java IDEs in the world, largely because of its flexibility, as it’s free to use (open-source), and the promotes a strong community.

  • It is open-source and free to use where developers, develop applications as Eclipse is freely available, which makes it accessible for both individuals and organizations without any licensing costs.
  • Eclipse has capabilities to extend its plugins which will boost up the environs of plugins, it allows developers to add multiple functionalities with great in-built features. This plugin architecture means that Eclipse can be used for more than just Java development, including C/ C++, PHP , and many other languages.
  • Eclipse is written in Java, so it can run on any platform as it supports a Java Runtime Environment ( JRE ), including Windows , macOS , and Linux .
  • By using Eclipse IDE a user can sometimes face performance issues, especially in older hardware or in large projects.
  • As it has an ample feature set and a vast plugin environment in it, its interface could be difficult for beginners to understand.
  • Due to the vast number of plugins and frequent updates in the IDE, there could be sometimes compatibility issues can occur between different plugins or between a plugin and a particular version of Eclipse.

1.2. Intellij IDEA

IntelliJ IDEA is an Integrated Development Environment (IDE) developed by JetBrains , whereas it supports a wide range of programming languages, it’s particularly favoured in the Java community. There are two main editions of IntelliJ IDEA : the Community Edition , which is free and open-source, and the other one is Ultimate Edition , which is a paid version with additional features. It is developed by JetBrains which offers both a free community version as well as paid ultimate version with more functionalities and features. It is another highly popular IDE from JetBrains, known for its intelligent code completion and rich set of features.

  • Intellij has faster startups time than some of its competitors
  • The debugger in IntelliJ is feature-rich, offering advanced capabilities like inline variable values, data flow analysis, and more.
  • JetBrains frequently releases updates, ensuring the IDE is up-to-date with the latest language features, tools, and best practices.
  • The Ultimate Edition , which offers the fullest range of features, is not free. This can be a barrier for individual developers or small startups, although many believe the features justify the cost.
  • IntelliJ IDEA is memory-intensive, especially when working on larger projects.
  • Some users feel that Eclipse offers deeper customization options due to its open-source nature and extensive plugin ecosystem.

The build tools that automates the process of compiling, testing, documentation, automation that basically provides the consistent build process for the application, and packaging Java applications. Following are the build tools and dependency management.

Maven is both a build tool and a dependency management tool . Its configuration file is ‘ pom.xml ’ which lists project dependencies, where maven automatically downloads all the dependencies from the repositories. Maven handles the building, reporting, as well as documentation of the projects, it provides a lot of dependencies for the Java applications.

  • It has predefined standards for project structure, builds, and dependencies.
  • Maven provides a well-defined project lifecycle , which allows for systematic and consistent project builds that includes: Validate, Compile, Test, Package, Integration test, Verify, Install, and Deploy.
  • Maven has a vast ecosystem of the plugins, which also enables extended functionalities such as code analysis , test coverage , and integration with other tools .
  • Maven might not be as fast as some other build tools, especially for large projects.
  • The quality and maintenance frequency can vary.
  • Some plugins might not be updated regularly or could lack documentation.

2.2. Gradle

Apart from what Maven offers, Gradle lets the developers create the custom build tasks using Groovy . Gradle processes the build through a lifecycle that includes tasks like initialization, configuration, and execution, whereas It fetches required libraries from repositories like Maven Central or JCenter , or even custom repositories.

  • The Groovy-based DSL means developers have the flexibility of a scripting language to define and control their build process.
  • Gradle provides an efficient mechanism to manage and resolve dependencies.
  • For those used to Maven’s XML setup, moving to Gradle’s scripting with Groovy can take some time to learn.
  • For small projects, Gradle’s many features might be too much, making easier tools a better choice.

2.3. Dependency Management

Java projects frequently rely on third-party libraries that are called dependencies. Where the Dependency Management tools help developers:

  • Specify Dependencies
  • Version Management
  • Transitive Dependencies
  • Repository Management
  • Conflict Resolution

The Version Control System ( VCS ) is the tool which is used in software development for the tracking and managing of the changes that have been done in the codebases. It allows multiple developers to work on a project simultaneously without overwriting each other’s changes and helps to maintain a proper record of code modifications. The popular Version Control System (VCS) used in Java is described below:

Git is the Currently the most popular VCS , and platforms like GitHub , GitLab , and Bitbucket are built around Git. It is mainly used to track changes in source code during software development, allowing multiple developers to collaborate on a project.

  • By using Git every developer has a full copy of the project, in which individuals can make changes accordingly and then again push the code into its master branch.
  • Its efficient branching and merging make feature development and bug fixing seamless.
  • Sometimes large repositories may slow down the performance
  • Git struggles with large non-text files, making tracking changes in them tricky.

The Continuous Integration / Continuous Deployment is a fundamental concept in modern software development, including projects written in Java, where CI refers to the practice of frequently integrating code changes into a shared repository. When developers push their changes to the shared repository multiple times a day to the master branch, then after each push, their automated tests run to verify these changes to ensure that they don’t break the existing codebase in the actual repository. Whereas, the Continuous Delivery ensures that the codebase remains in a deployable state after each and every change done by the developer, as well as Continuous Deployment is where every change that passes the automated tests is automatically deployed to production, without manual intervention.

4.1. Jenkins

Jenkins automates the building, testing, and deployment of applications . If you have a web application, Jenkins can be set up to automatically deploy your application to a server whenever you push your changes to your repository.

4.2. Travis CI

Travis CI Integrates with GitHub . When you submit a pull request on GitHub, Travis CI can automatically run tests and report if they pass, and shows you that your working tree is clean with nothing to push.

Testing tools are the tools which support various types of testing, ranging from unit testing to integration testing and beyond that build the test cases according to the boundary conditions of your application. Some of the testing tools that are mentioned below.

JUnit is used for writing and executing the unit tests in Java , it builds the test case as per the application. Basically, JUnit is a tool in Java that lets developers write test cases to check if their code works fine as expected. By using JUnit, you can quickly find mistakes or issues in your code and fix them.

5.2. Mockito

Mockito is a mocking framework that’s particularly useful for creating mock objects in unit tests . It lets you create dummy objects called mocks to simulate behaviour and interactions. If your code interacts with a database, you can use Mockito to “pretend” you’re accessing a database without actually doing so.

This tool examines the Java code without actually executing. Basically, they spot mistakes or parts of the code that might cause problems later, the main purpuse is they catch issues so you can fix them before they cause bigger problems. So, these tools consider for patterns, code structures, or configurations that might lead to errors, inefficiencies, or security vulnerabilities. The main goal is to improve code quality and maintainability by catching issues early in the development process.

6.1. SonarQube

It checks the coding standards for the application, the refinement of the code, the clarity of the code, potential bugs, and security vulnerabilities. It manages the code quality by scanning your code to identify the bugs. For example: a part of your code that might break because it’s looking for something that’s missing.

The Application Profilers is the diagnostic tool which is designed to analyse the pattern of Java applications, and monitors the runtime behaviour of your Java applications. It identifies the performance bottleneck, memory leaks, thread contention, and there some issues which can affect the efficiency as well as stability of the program. Some of the profilers are describe below.

7.1. VisualVM

It tells how your Java application is running, showing metrics like memory usage and active threads, and if your application is using an unexpected amount of memory, VisualVM helps to identify the cause. It is a free tool that is bundled with the JDK (Java Development Kit), that offers basic profiling capabilities for both local and remote JVMs (Java Virtual Machine).

7.2. NetBeans Profiler

It is integrated into the NetBeans IDE, this tool provides CPU, memory, and thread profiling capabilities.

It is the tools and techniques which are used to interact with the databases more easily and efficiently . It’s all about handling and organising data in the databases. In Java, it uses specific tools or such libraries to connect with the databases, it reduces the redundancy of the code or queries, and manage data in databases by using any of the database like MySQL , Oracle , or PostgreSQL . Whereas ORM stands for Object Relational Mapping, in ORM where all the Java objects (or classes) are mapped or linked into the database in the form of tables and this task is automatically done as we used JPA in spring boot Java , instead of writing complex and raw SQL queries, developers can work with these objects, as well as the ORM tools will handle the database interactions automatically.

8.1. Hibernate

It allows Java applications to interact with databases using objects instead of writing complex SQL queries into the databases. For example: If you make a ‘User’ in Java, Hibernate can directly put it into a “users” database section without you having to type out detailed database commands.

8.2. JPA (Java Persistence API)

JPA is a set of rules or guidelines that describe how Java objects should be stored, updated, deleted, and retrieved from relational databases. It standardised the way, Java applications interact with databases using ORM (Object-Relational Mapping).

Building web apps with Java means making the online programs using Java . These can be simple sites or big online systems developed by the Java developers. In Java, ‘Servlets’ are used to manage the website requests and give back responses. As the ‘JavaServer Pages’ (or JSP) allows you to mix the Java into web pages to make the changes based on user or information, and adjust according to the data. There are many tools in Java for this, like we use Spring MVC, JSF, and Struts. Java is popular for making web services, which are ways to communicate through the services. This includes both SOAP and REST types, there are special Java tools, like JAX-RS (for REST) and JAX-WS (for SOAP).

9.1. Spring Boot

Spring boot makes the development part easy for the Java techies, as it has user friendly interface where developer, develops different kinds of microservices using the STS (Spring Tool Suit) tool, and let services to communicate with each other by building the Eureka Server, by using the Spring Boot developer can quickly set up the web server and can add dependencies according to their requirements, and can define the endpoints or API into their microservices for the Java application, and easily interact with the databases.

9.2. Tomcat

Tomcat is like a helper for Java websites. You give it your Java site, and Tomcat runs it for you, and tomcat ensures it operates smoothly, managing user interactions and overseeing the incoming and outgoing communications. Tomcat is like a manager for Java web apps, where it runs properly, handling all the user interactions for you as well as it will handle the requests and responses.

Containerization is like putting a Java program and all it needs into a special box . This ensures the program acts the same everywhere. This ensures the application runs the same, regardless of where the container is deployed meaning that you can package or integrate. Basically it is like the program works the same no matter where you use the box . For instance, you can put a Java program its tools, and the other needed items into this container, now when you opens the box, it’s like the Java program has its own special space to run, this means the app works the same wherever you use this box.

Now, Orchestration comes into the role play when you have multiple containers that need to work together , or they need to talk to each other or change in number based on users, here the orchestration helps in managing this. For instance, if one box has the main website and another stores data, the orchestration tool ensures they work together properly. Let’s take another example, if your Java program is in two boxes, one for the main site and another for saving data, an orchestration tool helps these boxes for talking or communicating with each other and manages them.

10.1. Kubernetes

Kubernetes is something which controls, and organizes the Docker containers. Suppose, if you have an online application that gets busy having load of traffic, or quiet based on user visits, now the Kubernetes can add more versions of your application during busy times and lessen them during quiet times.

10.2. Docker

It lets you to putting your application and all its stuff, and everything into a box, called a special box or a container. If your application needs certain tools or versions to work, or certain things to run, the docker makes sure it works the same way in every place you use it. As It should works the same everywhere, whenever you opens that box/container. It basically, package your application and its dependencies into a container. If your application requires specific versions of libraries, then Docker ensures it runs consistently across different environments.

These 10 java tools we’ve explored aren’t just gadgets; they’re like superheroes that come to your aid when you’re coding in Java. From the trusty Java Development Kit (JDK) that lays the foundation to the integrated environments like Eclipse, IntelliJ IDEA, and others that make coding more manageable, these tools are your loyal companions. With version control , unit testing , debugging , code analysis , and performance monitoring tools , you’re equipped to tackle any Java development challenge that comes your way.

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12 Best Open-Source Java Tools For Developers in 2022

Java is both well-established and popular. It was released in 1995, but is still the fifth-most-used language according to Stack Overflow’s 2021 Developer Survey . Java's flexibility makes it popular for building enterprise apps, Android apps, IoT apps, and more. Here are 12 open-source Java tools that make you a more efficient developer.

NetBeans IDE with dark theme

Just like Java itself, NetBeans is part of the Oracle family. First released in 1996, NetBeans is an IDE specifically designed for Java. It's popular particularly among academics and researchers, and used by organizations such as Boeing, NASA, NATO, and EU research agencies.

NetBeans can be installed on all the operating systems that Java runs on and can be used for other programming languages as well. By default, it uses an Ant build for projects, but you can also set it up to use Maven. A popular open-source alternative to NetBeans is Eclipse .

Android Studio

Android Studio IDE

While you can use NetBeans for building desktop and web apps, you have to use Android Studio if you want to code Android apps. Based on IntelliJ IDEA, Android Studio comes with Android-specific refactoring, Lint tools to catch performance and compatibility problems, and more.

Although Google has now replaced Java with Kotlin as their preferred language for Android apps, Java is still used for many of the mobile apps you use every day. Once you've compiled your app with Android Studio, and if the app is in line with Google's developer policies , you can publish it directly on the Google Play Store.

Pinpoint is an Application Performance Management tool for large-scale distributed systems that have been written in Java or PHP. It monitors your application in real-time and can be installed without changing a single line of code.

In particular, Pinpoint tracks the transaction flows between different types of components in services. The software provides an overview of what areas could cause problems and where your bottlenecks are. An open-source APM alternative to Pinpoint is stagemonitor .

JUnit in the Eclipse IDE

JUnit is an open-source testing framework for Java that integrates with all the popular Java IDEs, as well as Maven, Ant, Gradle, and Jenkins. JUnit helps you write and run repeatable, automated tests. It's an essential tool for test-driven development .

JUnit is linked as a JAR at compile time and requires Java 8 or higher during runtime, although you can test code that's been compiled with previous versions of the JDK. JUnit version 5 consists of three sub-projects:

  • JUnit Platform: the foundation for launching testing frameworks on the JVM.
  • JUnit Jupiter: a programming model for writing tests.
  • JUnit Vintage: a TestEngine for running tests written with JUnit 3 and 4.

SonarQube is an automatic code review tool that helps you write cleaner and safer code through static code analysis. It works for Java and 16 other programming languages. It has CI/CD integration with tools like Jenkins, Azure DevOps server, and many others.

SonarQube incorporates many tools that help improve the quality and safety of your code, such as an editor that gives immediate feedback on the code you’re writing and a tool that lets you know if your project is ready for production. The Community version of SonarQube is free and open-source, while other versions include support for more languages and more advanced security breach detections in code.

A Maven project

Maven is a project management tool for Java projects. Maven stores your project's build, reporting, and docs in one central place. It favors convention over configuration, which means that it's opinionated and requires you to follow a standard way of building projects using clear definitions.

An alternative to Maven is Ant . Ant isn't opinionated and, as a result, is more flexible in its configuration. However, this means that developers need to write all commands by themselves. Unless your project has an unusual build structure, Maven is the easier way to go.

An elephant as the Gradle logo

Gradle is a dependency management and build automation tool that builds on the concepts of Ant and Maven. It doesn't use XML files but instead opts for a domain-specific language . This usually means smaller configuration files and less clutter.

Most of Gradle's functionality comes through its plugins. For example, you need a Java plugin to compile Java. Gradle is particularly useful for complex databases, because it tends to be faster and because it offers advanced analysis and debugging services. But its learning curve is higher if you're not familiar with Groovy or Kotlin.

write 3 tools for java build

Jenkins is the number one open-source automation server to build, test, and deploy code. Because of its huge number of plugins , it can fit easily into your existing tech architecture and reduce manual, mundane tasks to a minimum.

Jenkins is written in Java, which means that it’s easily portable to all major platforms, and is used in many of the projects the original creator of Jenkins wanted to build Jenkins for. It’s no surprise that Jenkins supports most of the tools in this list . Additionally, Jenkins has a thriving community of hundreds of thousands of users who are happy to answer any questions you might have.

SpotBugs logo

SpotBugs is the spiritual successor to FindBugs, which is no longer maintained. SpotBugs uses static analysis to check for more than four hundred bug patterns in Java code. It can be used either standalone or integrated with Ant, Maven, Gradle, and Eclipse.

SpotBugs is extensible, which means you can add new detectors through plugins. The SpotBugs homepage mentions fb-contrib and find-sec-bugs as two popular plugins to write software that has fewer bugs.

The Spring logo

Spring is one of the most popular Java frameworks. It has a huge ecosystem that continues to evolve, which can be somewhat daunting for a beginning Java developer. Of the many Spring projects to choose from, here are two of the most important ones:

  • Spring Boot is an opinionated project that makes it easy to start out with Spring and build stand-alone, production-grade Spring applications with minimal fuss.
  • Spring Security is the de-facto standard for securing Spring-based applications. It focuses on providing authentication and authorization to Java applications.

The Spark logo

Contrary to Spring's large ecosystem, Spark is a microframework for creating web applications in Java (and Kotlin) with minimal effort. Spark is expressive, lightweight, and unopinionated.

Spark is particularly helpful if you want to develop an expressive web application with minimal boilerplate code. It's meant for rapid development and works great for microservices.

The Tomcat logo

Apache Tomcat provides an HTTP web server environment for your Java code. It's an open-source implementation of the Java Servlet, JavaServer Pages, Java Expression Language, and Java WebSocket technologies.

Tomcat is very lightweight and used by many large-scale applications . Because Tomcat isn't really a full application server, it's particularly good for web apps that don't require full Java EE specifications.

These were 12 open-source developer tools for Java. Of course, because Java can run on so many different platforms, there are many other tools out there as well. If you enjoyed this article and think others can benefit from it as well, feel free to share it on social media using the buttons at the top right of this blog post.


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Build tools in java

A build tool is utility program to automate the process of repetitive tasks like compiling source code and creating files etc. A build tool can be executed from the command line. Note: Apache Ant, Maven and Gradle are the commonly used building tools in java.

Why build tools are used?

Build tools are used to automate the process of repetitive tasks like source code compilation etc and take this burden away from the developers.



15 BEST Java Tools (2024)

James Hartman

There are many tools available for Java management. These software ease the entire process of developing, testing and deployment in Java.

Following is a handpicked list of Java Tools for Developers , with their popular features and website links. The list contains both open source(free) and commercial(paid) tools.


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Best JAVA Programming Tools & Software for Development

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Monitor the performance of your Java applications with Site24x7 APM Insight. Site24x7 is a SaaS-based all-in-one monitoring solution for DevOps and IT. With Site24x7 APM, you can get a holistic view of your application performance in real-time and debug errors with ease.

Site24x7 offers real-time reports on JVM performance and supports monitoring individual methods in code. It allows you to identify errors across microservices with distributed tracing and seamlessly integrates with various platforms, including ServiceNow and Slack. With mobile access and over 120 global monitoring locations, Site24x7 ensures your website’s optimal performance. It’s great for managed service providers and offers critical insights through real-time alerts and reports.

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  • Get a bird’s eye view of Java app performance with application dependency maps
  • It provides Java, .NET, Ruby, PHP, Node.js, and Python languages supports
  • It provides customer support via Chat, Contact Form, Email and Phone
  • Supported Platforms: Windows and Linux
  • Notifications of drive space and uptime problems.
  • Monitoring of your website.
  • Great gameplay with a very responsive touchscreen
  • It offer APM monitoring, cloud monitoring, and server monitoring.
  • A custom integration with a variety of apps is available.
  • The user interface needs to be improved more.
  • Cloud monitoring functions are limited.

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2) ManageEngine Applications Manager

ManageEngine Applications Manager helps proactively monitor Java applications and the infrastructure performance. This tool, also known as a powerful integration hub, seamlessly integrates with various platforms like OpManager and Slack. Additionally, benefits include Application Discovery, Business Service Management, and Application Analytics.

ManageEngine Applications Manager is a comprehensive solution that allows you to monitor, optimize, and troubleshoot Java application performance with critical code-level insights, distributed traces, and more. Essential for enterprises, it supports monitoring of JVM, JRE, and other Java components. Leveraging machine learning-enabled analytics, it anticipates future resource utilization.

ManageEngine Applications Manager

Customer Support: Chat, Email and Phone

Programming Languages Supports: GO, C++, Python, Java, JavaScript, and Swift

  • prevent fault occurrence and unnecessary oversight.
  • Automatic corrective actions using web hooks to start external actions.
  • It provides GO, C++, Python, Java, JavaScript, and Swift languages supports
  • Offers plugin support OpManager, APM plugin
  • It provides customer support via Chat, Email and Phone
  • Supported Platforms: Windows, Mac and Linux
  • A wide range of network devices can be monitored.
  • Simple setup and installation
  • Affordable, and easy –to-use
  • Group apps will allow you to monitor your entire service efficiently.
  • Detection and resolution of network issues in a timely manner.
  • Discovery and mapping of dependencies in an automated and dynamic manner.
  • Agents are required for End-User-Monitoring.
  • There is limited integration.
  • SQL knowledge is required for customized reports.

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JUnit is an open source unit testing tool for Java programming language. It is important Java development tool for test-driven development and deployment. Keep in mind JUnit also offers plugin support like Gradle, ensuring your testing is efficient and thorough.

JUnit enables swift code writing, bolstering quality. It supports multiple languages , including Java and Python, and integrates with Eclipse and Mockito. Annotations and assertions facilitate comprehensive testing, while hierarchical test structures and display names enhance test organization.


  • Preparation of input data and setup/creation of fake objects
  • Loading databases with a specific known set of data
  • It provides annotations to identify test methods
  • JUnit provides support for writing and running tests
  • It provides customer support via Email
  • The JUnit framework is an open source project.
  • Enhances the productivity and stability of the code.
  • Easily integrates with most software programs.
  • A simple and easy-to-use application.
  • It’s not suitable for testing at the higher levels
  • Group testing cannot be done in JUnit

JUnit is an open-source tool free to download. It is a popular framework for Java applications, facilitating unit testing to ensure code quality.

Download link:

4) NetBeans

NetBeans is FREE, open-source IDE. It is one of the best Java developer tools which allows developing desktop, mobile and web applications.

NetBeans IDE is great for C/C++, PHP, Java, JavaScript, and HTML developers. This tool provides language support and seamlessly integrates with databases and source code management tools . Advantages include plugin support like NetBeans CSV Editor and jVi for NB Update Center. Additionally, it allows you to contribute code, validate issues, and report them. Users should also know its comprehensive features like GUI Popup & Inspect and Twig Linter.


  • It offers complete support for Latest Java Technologies
  • Support for fast & smart code editing
  • Easy & Efficient Project Management process
  • Rapid User Interface Development
  • Helps to write bug-free code
  • Maintain Project Groups to differentiate applications.
  • It offers readymade script templates.
  • It has tools for static analysis.
  • Offer fantastic Maven support.
  • Free and open source software.
  • Netbeans provides only one view unlike Eclipse.
  • Heavyweight as plugins cannot be uninstalled.
  • There can be a problem with performance.

NetBeans is an open-source, free-to-download IDE, offering robust coding, testing, and debugging features for Java developers and other languages.

Download link:

5) Apache Maven

Apache Maven is a software Project Management Tool. It is based on the Project Object Model (POM) concept. Its plugin support includes functionalities like compiler, deploy, and verifier. If you need an all-in-one solution for your software project lifecycle, Maven might be your top pick.

Apache Maven is a powerful tool that allows you to establish simple project setups , adhering to best practices, in seconds. It advantages users by centralizing JARs and other dependencies, supporting languages like Java, C, and Python. Maven seamlessly integrates with Eclipse IDE and JetBrains, and it’s great for superior dependency management, build, reporting, and documentation processes.

Apache Maven

  • This Java programmer software allows easy writing of plugins using Java
  • Instant access to new features with very few extra configuration
  • Ant tasks for dependency management and deployment outside of Maven
  • Release management and distribution publication
  • The best way to manage dependencies.
  • A pom file can automatically add project dependencies.
  • There is a large central repository.
  • It is possible to maintain and modularize the code.
  • It is very easy to locate information about a project.
  • The builds are complex and fragile.
  • Maven knowledge at the basic level is required.
  • There can be a lot of complications errors that can occur.

Apache Maven is an open-source tool, free to download. It automates the build and dependency management for Java applications, enhancing project consistency.

Download link:

Mockito is an Open Source Java Mocking and Unit Testing Tool. Mockito is a popular open source Java mocking framework. It helps developers to write clean, well-designed and loosely-coupled code. Its advantages include plugin support like Mock Maker and reducing boilerplate code through annotations.

Mockito is a tool renowned for its user-friendly syntax that allows you to write Behaviour Driven Development style tests with ease. With features like partial mocking and automatic mock injection, test automation is accelerated, ensuring high-quality tests and secure production code.


  • Mockito allows writing of relaxed tests
  • It provides Python, Java, C++, .NET languages supports
  • Seamlessly integrates with JUnit
  • Supported Platforms: Windows
  • The mockito tool is almost everywhere (Python, Java, C++, .NET).
  • Supports mocks as well as test spies.
  • There is a huge community on StackOverflow
  • It supports mocks as well as test spies.
  • Understand the concepts and follow best practices takes time.
  • No support for private or static methods.

Mockito is an open source tool free to download. It’s a popular Java framework used for creating, testing, and validating mock objects with ease.

Download link:

Ehcache is an open source, standards-based caching tool for Java language. It is robust, proven, full-featured tool which can be integrated with other popular libraries and frameworks.

Ehcache maintains a small footprint, ensuring your apps remain light and efficient. The revamped API leverages Java generics, enhancing cache interactions. It allows box Spring Caching and Hibernate integration, supported by Javax cache. Ehcache is scalable and flexible, offering a standards-based, extensible solution for distributed caching with minimal dependencies.


  • API is very simple and easy to use
  • Scalable to hundreds of caches
  • It provides Java languages supports
  • Seamlessly integrates with GitHub and Jira
  • Offers plugin support Springcache
  • It provides customer support via community & support forums
  • It provides Hibernate cache implementation.
  • The implementation is simpler and easier.
  • An interface for listening to caches and cache managers
  • It supports multiple cache manager instances as well as multiple cache
  • areas within a single cache manager
  • There is a lot of disk space consumed by Disk Cache
  • The security of data cannot be guaranteed

Ehcache: Open Source Tool Free to Download. A robust, scalable cache library enhancing performance, offloading your database, and simplifying scalability.

Download link:

8) VisualVM

VisualVM is a visual tool for integrating command-line JDK tools. It also offers lightweight profiling capabilities. It is designed for both development and production time use. Plugins like Visual GC and Threads Inspector enhance its functionality, making it a critical tool for developers. VisualVM ensures your Java applications are optimized and free of issues.

VisualVM provides comprehensive insights for monitoring and troubleshooting Java applications. This tool lets you read basic information about crashed Java processes and supports multiple languages, including Java, Python, and C++. Integrated with popular IDEs like NetBeans and VS Code, it displays local and remote Java process configurations and visualizes threads.


  • It displays both local and remote Java Processes
  • Monitor Process Performance and Memory
  • Visualize Process Threads
  • Profile Performance and Memory Usage
  • Take and Display Thread Dumps
  • Helps to analyze Core Dumps
  • It provides customer support via Email and Chat
  • Monitoring memory usage and application behavior.
  • Monitoring of application threads.
  • Analyzing the memory allocation for the different applications in the system.
  • JVM monitoring tool with modern features built-in
  • Generate heap dumps and analyze them
  • Support that is lacking

VisualVM is an open source tool free to download. A powerful utility for monitoring, analyzing, and managing Java applications, offering real-time insights and metrics.

Download link:

9) Oracle JDeveloper

Oracle J Developer is a free Java development IDE. It is one of the best Java tools which allows developers to build reliable Service Oriented Architecture with Java. It supports the full development life cycle. Oracle JDeveloper is a great option if you need a reliable, integrated development environment.

Oracle JDeveloper is a robust tool that supports Java, Oracle Database, MySQL, and Linux and integrates seamlessly with renowned companies like Hormel and FedEx. It offers functionalities like Flexible Load Balancer and Site-to-Site VPN, enhancing outbound data transfer and content management. Plugin support like Block Volume Management and Oracle Autonomous Linux ensures your developmental needs are covered, providing a comprehensive solution for diverse projects.


  • Ability to generate servlets which operate as EJB clients
  • It supports creating and editing Web Socket annotations of Java classes
  • Allows to specify a configuration class to hold the Meta data
  • It provides customer support via Phone and Chat
  • Provides support for Agile development.
  • A complete lifecycle management system.
  • It allows interaction with isolated objects.
  • It is lightweight.
  • Data mapping or transformation is provided.
  • This program consumes a lot of memory.
  • It does not provide auto-completion of code.
  • There is no support for auto-formatting or indentation.

Oracle JDeveloper is free to download, offering a comprehensive environment for developing, debugging, and deploying Java-based applications and web services.

Download link:

10) Java Decompiler

Java Decompiler is a freeware Java tool that reconstructs Java source code from CLASS files. It allows to decompile, Java applets, JAR and ZIP files for producing accurate Java source code. The tool is essential for code recovery and analysis

Java Decompiler is a great option for developers aiming to recover lost source code and debugging. It displays Java source codes and supports open-source projects. With JD-Eclipse plugin support, it enhances the decompiling process. The GitHub forum provides effective customer support for any arising issues.

Java Decompiler

  • It displays color coded Source Code
  • The tool supports Drag and Drop
  • Seamlessly integrates with Eclipse
  • This is a powerful abstraction.
  • It is a cross-cutting behavior.
  • Support for declarative statements.
  • It is a supportive and productive environment.
  • Complexity of using a tool
  • The options for support are limited

Java Decompiler is an open-source tool, free to download, that converts bytecode into readable Java source code efficiently and accurately.

Download link:

Gradle is a project automation Java tool. It builds on the features of Apache Ant and Apache Maven. It also serves as the default build tool for the Android platform. Customizable logging and visual build timeline highlight its features.

Gradle ensures your build process is efficient and seamless, offering a smart classpath to avoid unnecessary compilation and better dependency modeling for a reduced compile classpath size. With Gradle Wrapper, execute builds even without installation. It integrates with Jenkins, GitHub, and more while offering plugin support for Jetbrains, Quarkus, etc.


  • It comes with a remote build cache with convenient management tools
  • Supports multi-project builds and also partial builds
  • It can easily adapt to any structure
  • Gradle provides Python, C++, Java and Python languages supports
  • An enhanced user experience
  • It allows for custom dependency scopes.
  • It is highly customizable
  • In terms of performance, it is fast and efficient
  • XML files are not used in Gradle projects.
  • Expertise in technical areas is required

Gradle is an Open Source Tool Free to Download. A powerful build automation system, supporting multiple languages and is highly scalable and customizable.

Download link:

12) Cobertura

Cobertura is free Java tool that calculates the percentage of code accessed by tests. It can also be used to identify which parts of Java program are lacking test coverage. Remember, it is a comprehensive tool for identifying untested code and generating coverage reports.

Cobertura instruments Java bytecode post-compilation and allows you to generate detailed reports in HTML or XML, displaying coverage percentages for lines and branches per class, package, or the entire project. It supports multiple languages, including Java and JavaScript, and is enhanced with Maven plugin support.


  • It allows line and branch coverage in a detailed tree view
  • View source code and colored according to line coverage
  • It filters out uninteresting classes and packages
  • Launch Scala, Eclipse JUnit, and PDE in covered mode
  • It provides customer support via GitHub forum, Email, Ticket
  • It is an easy-to-use tool
  • The source code is not needed to measure coverage.
  • Easy-to-understand reports
  • Source code coverage tool
  • Designed for developers as well as testers.
  • There are limited integrations available
  • The classes must be compiled with the debug option enabled.
  • Java is the only language supported.

Cobertura is an open-source tool, free to download. It measures the test coverage of Java applications, highlighting areas lacking test attention.

Download link:

Groovy is a powerful language with static-typing & compilation capabilities. It is aimed at improving developer’s productivity. Moreover, it allows you to benefit from static and dynamic typing , operator overloading, and extensive plugin support. For example, the Groovy Eclipse Plugin.

Groovy integrates easily with any Java program, offering powerful application features due to its flexible and malleable syntax. Groovy is a great option for advanced integration and customization. This tool supports Java, Python, Ruby, and Smalltalk. It seamlessly integrates with platforms like Groovy Eclipse, IntelliJ IDEA, and VSCode.


  • Concise, readable and expressive syntax
  • Seamlessly integrates with Java and other third-party libraries
  • Great for writing concise and maintainable tests
  • Support for various markup languages such as XML and HTML.
  • It provides customer support via Email, Slack, Reporting Issues
  • Price: Open Source Tool Free to Download
  • There is a dynamic typing feature
  • You can easily integrate it into your system
  • It is very easy to implement file operations in your application
  • A powerful feature set of tools for builders, runtime, closures, and compile-time metaprogramming
  • Groovy has no base code format
  • Need to learn new concepts like closures are important to write and understand.

Groovy is an open-source tool, free to download. It’s a dynamic language for the Java platform, enhancing developers’ productivity and runtime efficiency.

Download link:

14) Yourkit

YourKit is an innovative tool for profiling Java &.NET applications. It is the standard-setter in the evolution of profiling tools. Yourkit provides comprehensive insights through features like CPU profiling, flame graphs, and database query analytics, ensuring your applications are optimized and performant.

Yourkit is a robust tool that seamlessly integrates with IDEs like Eclipse and IntelliJ IDEA. It has built-in SSH tunneling , making it great for profiling in restricted network conditions. The permissive license policy allows you to profile an unlimited number of applications. Offering high-level profiling results, users easily pinpoint exact issues and optimize performance. It also supports plugins like Jenkins and Eclipse, enhancing workflow efficiency.


  • Straightforward installation process
  • Developer friendly environment
  • It offers high-level monitoring web, database, I/O
  • Powerful analysis capabilities
  • It provides Java, .NET and JavaScript languages supports
  • It provides customer support via Email and Phone
  • Supported Platforms: Aix, FreeBSD, Windows, Mac and Linux
  • Support from the customer is excellent
  • Time savings tool
  • A higher return on investment
  • It is easy to use for developers
  • Layout is very good.
  • Memory usage is high
  • Not all run configurations of IntelliJ are supported
  • It is aimed at only .NET 2.0 developers

YourKit offers tailored pricing options – request a quote directly. Try it first with a 15-day free trial, no commitment required.

Download link:

15) Eclipse

Eclipse is an open-source integrated development environment for Java. It is one of the best core Java tools that offers modern features, large numbers of modeling tools, java testing tools, and development frameworks. Eclipse supports plugins from GitHub, Gitlab, and others, ensuring your development environment is versatile and tailored to your needs.

Eclipse allows you to code, build, and debug seamlessly, offering integrations with tools like JUnit and JBoss. With the Ctrlflow Automated Error Reporting Server, error management is streamlined. Customization is straightforward, and IDEs are distributed as Linux Containers. Remember, configurations can be shared via URL, promoting collaborative development .


  • Model Driven Development
  • Provide Complete Detailed reports
  • It provides C, C++ and Java, and JavaScript languages supports
  • Eclipse offers the best tooling for JEE projects
  • It is very easy to use many plugins.
  • This is a great solution for larger projects.
  • It provides modeling support.
  • For large and complex web development projects, Eclipse is a good choice.
  • It is easier to debug errors when using Eclipse
  • The performance of the application is slow
  • The Eclipse IDE needs to be restarted when you have installed a new plug-in
  • It consumes a significant amount of memory

Eclipse is a powerful IDE that is free to download. It supports various programming languages, offering tools and features for efficient coding.

Download link:

16) IntelliJ Idea

IntelliJ IDEA is a multi-purpose IDE which focuses on Java development. It is one of the best Java programming tools that offers advanced support for the web, mobile, and hybrid application development.

IntelliJ IDEA analyses source code across all project files and languages, offering a list of the most relevant symbols for the current context. It supports languages including JavaScript, TypeScript, and Java and integrates with tools like Slack and VCS. Advantages include developer ergonomics, deep code insight , and instant navigation. It ensures your code is efficient and error-free.

IntelliJ Idea

  • It allows cross-language refactoring
  • Finds duplicate code fragments on the fly
  • Inspections and quick-fixes
  • Editor-centric environment
  • It allows user to use static methods or constants easily
  • Offers plugin support Kubernetes, PyCharm, JetBrains and ReSharper
  • It provides customer support via Contact Form, Email and Phone
  • The debugging support is excellent.
  • A wide range of convenient features are available.
  • A clear and detailed documentation is provided.
  • A faster scripting environment for the server and client side
  • Multiple projects cannot be opened in the same window at the same time.
  • Enterprise editions are expensive.

IntelliJ IDEA offers plans from $14.90/month. Utilize a powerful IDE with advanced coding, debugging, and testing tools. 30-day free trial available.

Download link:

How various Java Tools are used in Application Development?

Here is how Java tools are used in application development:

  • Java tools are used to monitor, optimize and improve the performance of Java applications
  • Finding runtime and compile-time issues in Java programs
  • Monitoring of JVM , JRE, Java application server, JDBC, JMX, etc.
  • It is used to analyze the physical and virtual Java server metrics like fan speed, power supply, temperature, etc.
  • Java tools are used to automate the patching process
  • These tools are used to write and run tests with ease
  • Java tools are used for easy and efficient Java project management
  • These tools help to monitor individual methods and functions in Java code

Java Tools are software applications that help developers to ease the entire process of developing, testing, and deployment in Java. These tools help developers to monitor, optimize, troubleshoot and improve the performance of Java applications. It also allows you to check the database, memory, and concurrency and helps you find runtime and compile-time issues in Java programs.

  • ManageEngine Applications Manager
  • Apache Maven
  • Program to Print Prime Number From 1 to 100 in Java
  • Palindrome Number Program in Java Using while & for Loop
  • Bubble Sort Algorithm in Java: Array Sorting Program & Example
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  • Abstract Class vs Interface in Java – Difference Between Them
  • 100+ Java Interview Questions and Answers (2024)
  • JAVA Tutorial PDF: Basics for Beginners (Download Now)

18 Best Java Development And DevOps Tools You Should Know (2022)

How to choose the devops tools for java developers, java development tools for devops, java development tools for web application development, java development tools for mobile applications development, java development tools for front-end development, bottom line.

Bhupendra Choudhary

Using the best Java development and DevOps tools is essential to productivity in any software development project. After all, the success of your project depends on the development instruments, as well as on the talent and knowledge of the programmer. Simplicity, convenience, variability, and intuitiveness are the elements that define a great developer tool.

Whether you are looking for a Java IDE, code coverage tool, or build management system, there are plenty of options.

In this article, we will take a look at some of the best Java development and DevOps tools available today. When developing applications, you must ensure that the programmers have these tools in their repository, something that a good Java development company always ensures.

In any Java development project, choosing the tools that best align with the programming language is an essential first step. The same is true when it comes to DevOps. With so many options on the market, it can be challenging to know which tools are best for your team. There are a few key factors to consider when choosing DevOps tools:

  • First, identify which tasks you need to automate. Common automation tasks include builds, deployments, and testing. Once you know what needs to be automated, research which tool can best help you accomplish those tasks.
  • Another essential factor to consider is integration. Choose DevOps tools that integrate seamlessly with your existing tools and workflows.
  • Finally, make sure to consider scalability. Choose tools that will be able to grow with your team as your needs change.

By keeping these factors in mind, you can be sure to choose the right DevOps tool for your team.

There are several tools to streamline DevOps implementation, and new tools are fast emerging. Here, we discuss some of the best tools for DevOps:

  • Puppet : It is a configuration management tool that can be used to automate infrastructure deployment.
  • Chef : This is another configuration management tool for DevOps that can be used for infrastructure automation.
  • Ansible : Ansible is a simple yet powerful automation tool. It can be used to automate various tasks, such as deployments, configuration management, and more.
  • Nagios : That is a popular open source monitoring tool for DevOps. It can be used to monitor servers, applications, and infrastructure.
  • Logstash : Logstash is a tool for managing log files. It can be used to centralize and aggregate logs from multiple sources.

Java is heavily used for server-side development and building server-side application development. Java programming tools used for web application development include:

  • Eclipse : It is a popular Integrated Development Environment (IDE) for Java development. It comes with a built-in Java compiler and debugger and supports a variety of plugins to extend its functionality.
  • Maven : It is a useful tool and is particularly handy for managing dependencies in large Java projects. It can be used to download dependencies from a central repository automatically and can also create Java project artifacts such as JAR files.
  • Gradle : It is another Java build tool, and like Maven, it can be used to manage dependencies and create Java project artifacts. It has a Groovy-based DSL instead of XML, which makes it more concise and easier to read.
  • Tomcat : It is an open-source web server and servlet container and is often used for developing and deploying Java web applications. It supports the Java Servlet specification and can be configured to run JavaServer Pages (JSP) files.

Now we’ll take a look at some of the most popular Java development tools for mobile apps development:

  • Java ME SDK : The Java ME SDK is a set of tools for developing Java ME applications. It includes an emulator, debuggers, profiling tools, and more. Java ME apps can be developed for various platforms, including Symbian, BlackBerry, Android, and others.
  • JavaFX Mobile : JavaFX Mobile is a set of tools for developing JavaFX applications for mobile devices. It has an emulator, debuggers, profiling tools, and more. JavaFX apps can be used for various platforms, including Android, iOS, Windows Phone, and others.
  • Appcelerator Titanium : Appcelerator Titanium is a set of tools for developing cross-platform mobile applications using web technologies such as HTML, CSS, and JavaScript. It also supports developing apps for different platforms and OS.
  • Rhodes : Rhodes is used in mobile app development for developing cross-platform mobile applications using Ruby on Rails. Rhodes apps can be developed for a variety of platforms, including Android, iOS, and Windows Phone.

The best tools for front-end development are:

  • JavaServer Pages (JSP) : It is a technology that helps developers create dynamically generated web pages based on HTML, XML, or other document types. JSP is Java’s answer to Active Server Pages (ASP).
  • JavaServer Faces (JSF) : It is a Java-based web application framework intended to simplify the development integration of web-based user interfaces.
  • Google Web Toolkit (GWT) : It is an open-source Java software development framework that makes writing AJAX applications like Google Maps and Gmail easy for developers who cannot write browser-specific languages such as JavaScript.
  • Vaadin : It is a Java web application framework that takes care of all the low-level communication details between the browser and the server and allows you to build your application using Java.
  • Struts : It is an open-source Java framework for creating enterprise-ready Java web applications. Struts provide a complete and integrated stack of technologies that enable developers to create robust, reliable, and high-performance Java web applications.

As you can see, many DevOps and Java tools for developers are there on the market to help you streamline and optimize your software development using Java.

There are tens of tools available, and here in our article, we listed some of the helpful tools. In order to leverage the power of these new-age Java and DevOps tools to systematically lead your project, consider connecting with us . We harness the power of such evolving application development technologies to build the best custom software applications for our clients.

What software do Java developers use?

Some Java developers use an Integrated Development Environment (IDE), others prefer a simple text editor and command-line interface (CLI), while others might use a combination of both IDEs and CLIs.

Which tool is best for Java Developer?

Some popular options include the Eclipse IDE, the Apache Maven build system, and the Jenkins continuous integration server.

What are the most used DevOps tools in Java?

The top five DevOps tools:

  • Apache Maven

How can I improve my Java development skills?

Take courses or attend workshops that cover Java development topics, read books or online resources about Java development and practice your Java development skills by working on personal projects or contributing to open source projects.

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