Top 20 Most Popular Java Tools for Code Optimization

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Today several Java tools are available that help the Java developers in testing, deploying and developing Java applications. Java developers have a few utilities, programs and libraries that can help them, but only a few of them are popular, versatile and useful. Today we are going to enlist 20 of the most popular tools for Java developers.

1). NetBeans

It is a freely available or open source IDE that allows developers in developing mobile, desktop and web applications with the below-listed features:

• An interactive user interface to write Java code in a free and smart manner
• Superior support for PHP, C and C++ developers
• Rapid User Interface Development

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2). Apache Maven

This is a software project management tool and is based on the POM or Project Object Model concept. Maven has below-listed features:

• Easy release management and distribution publication
• Quick access to newly launched Java features
• Easy to understand platform to write Java plugins
• Facility to access JAR’s central repository and other dependencies

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3). Mockito

Mockito is an open-source tool that is used for Unit Testing and Application Development. Writers can write loosely-coupled, well-designed and clean code in mockito. It has the following features:

• The user can write relaxed tests in mockito
• Behaviour-driven development style tests
• Developers can write easy to understand and readable syntax

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4). JRat

This is a Java runtime analysis toolkit. This is an open source toolkit that can monitor the execution and performance measurements of Java applications. Following features are offered by JRat:

• Easy file modification
• Remote file view access
• Convenient file transfer to any location
• A feature of screenshot capturing

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5). Ehcache:

This is another open source caching tool for Java developers. The tool can be integrated with many other frameworks and libraries. It offers below-listed features:

• Simple and easy to use APIs
• Hibernate and Spring Cache Integration
• Able to scale hundreds of caches
• Small application footprints can be maintained that can minimize the weights of applications

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6). Oracle JDeveloper

Oracle JDeveloper is a development IDE that is freely available as open-source. Developers can develop Java-based reliable service based architecture through this IDE. It can provide you with the following features:

• Servlet generation ability that can work as EJB clients
• Edit and creation of Web Socket Java annotation classes
• Ability to specify and configure a class to hold Metadata

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7). Java Decompiler

This is also a Java-based freeware tool that is able to reconstruct Java source code from CLASS files. The user can decompile JAR, Java applets and ZIP files to produce accurate Java source code. It can offer the following features:

• Support to drag and drop tools
• Display facility of colour-coded Source Code
• Support all Java versions

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8). Gradle

This is a project automation tool and is built on Apache Ant and Apache Maven features. It is a default build tool for the Android platform and has the following features:

• Support for multi-project and partial builds
• Availability of remote build cache and offer convenient management tools
• Easy adaptability to any structure
• Smart class facility help in avoiding unnecessary compilation

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9). Groovy

This is a powerful language and provides compilation and static-typing capabilities. It helps in improving the productivity of developers. Groovy offer the following features:

• Convenience to write maintainable and concise test codes
• Readable, expressive and concise syntax
• It can be integrated with any Java program and is capable to deliver effective and powerful applications
• Seamless integration with third-party and Java libraries

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10). Cobertura

This is a tool that can be used by Java developers to calculate the percentage of code that is accessed by tests. Moreover, they can know the code part that is not covered for testing. Features are:

• Report generation facility in HTML or XML
• Source code access and colouring as per coverage
• Detailed tree view of line and branch coverage
• Covered mode launch of Scala, JUnit, Eclipse and PDE
• Filtration of uninteresting packages and classes

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11). FindBugs

This is an open-source static analysis project and is able to identify potential Java bugs. It can provide information of potential errors and has the following features:

• Accurate bug identification
• Detection of problems identified by JSR-305 annotations
• Support to Guava library

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12). VisualVM

This is a command-line integration tool and offers lightweight profiling capabilities. VisualVM offers the following features:

• Visualization of process threads
• Monitoring of memory and process performance
• Display of thread dumps
• Help in analyzing code dumps

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13). Yourkit

His toolkit is able to profile Java and .Net applications. It has set the standards of profiling of Java and .Net applications with following features:

• Developer friendly environment
• Powerful analysis capabilities
• Straightforward process of installation
• High-level monitoring of database, web and I/O

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14). Spark

This is a robust Java-based framework that is used to develop web applications. Developers can write the Java code for Java web applications. Spark offers below-listed features:

• Support for multiple languages
• Code of Spark can be reused for batch processing
• Expanding, progressive and active community
• Ability to handle the real-time streaming process

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15). Eclipse

This is an open source IDE of Java and offers a large number of modern features. It provides the following functionalities:

• Seamless and easy JUnit integration
• Detailed and complete reports
• Easy customization
• Best tool option for JEE projects

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16). Apache JMeter

It is an open-source tool for load testing. Developers can measure website performance and test functional loads through this tool. The following features are offered by this tool:

• The user can test the performance and load of various types of servers
• The automated and functional testing of applications can also be tested through this tool
• Functions require dynamic inputs

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17). IntelliJ IDEA

This is a multi-purpose IDE that mainly focuses on Java development. Advanced support is offered for mobile, web and hybrid application development. Below-listed features are offered by IntelliJ IDEA:

• Code inspection and quick-fixes
• Cross-language refactoring
• Source code analysis between all files and languages
• Editor-centric environment

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18). Java Development Kit

It is also known as JDK and is a writing tool that is basically used to write Java applications. It provides Java compiler, JRE and APIs. JDK offers the following features:

• Support to handle multiple exceptions through a single catch block
• Automatic type interface
• Switch expression with Strings
• Numeric literals with an underscore

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19). JUnit

This is an open-source tool for unit testing and can be used for test-driven development and deployment process. It offers the following features:

• Database loading with specific known data set
• Annotations to identify test methods
• Assertions to test expected result
• Fast code writing facility

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20). Clover

This tool is used to generate a code coverage report from unit tests. It can be used Ant, Maven and Eclipse plugin. Below-listed features are offered by this tool:

• Full metrics for the latest test run
• Test optimized framework
• Easy-to-use
• Open-source and free tool

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Conclusion

Here we have provided a few of the tools that can make Java code better and optimized. On the internet, you can get plenty of Java tools that can help developers in writing quality code in less time. Use of tools can make application development process streamlined.