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JUnit 5 Installation Guide for Eclipse: Download and Configure JUnit Jar Files


How to Download and Install JUnit 5 Jar for Eclipse




JUnit is one of the most popular unit testing frameworks for Java. It helps developers write, run, and debug tests easily and efficiently. JUnit 5 is the latest version of JUnit, which introduces many new features and improvements over its predecessor, JUnit 4.




download junit 5 jar for eclipse


Download File: https://www.google.com/url?q=https%3A%2F%2Ft.co%2FkpeFAuc6XT&sa=D&sntz=1&usg=AOvVaw2GzAMT2gACgy7XSExoaFFK



In this article, we will learn how to download and install JUnit 5 jar for Eclipse, a widely used integrated development environment (IDE) for Java. We will also see how to write and run a simple test with JUnit 5.


Before we begin, we need to make sure that we have the following prerequisites:


  • Java Development Kit (JDK) version 8 or higher installed on our system.



  • Eclipse IDE version Oxygen or higher installed on our system.



Downloading JUnit 5 jars




There are two ways to download JUnit 5 jars: from the official website or from Maven Central Repository.


How to download JUnit 5 jars from the official website?




To download JUnit 5 jars from the official website, we need to follow these steps:


How to download, install and configure junit in eclipse


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Junit 5 official website


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Junit 5 test reports and execution order


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  • Visit [1]( and click on Download and Install.



  • Click on junit-platform-console-standalone.jar. This is a single jar file that contains all the necessary components for running tests with JUnit Platform.



  • Save the jar file in a folder of our choice. For example, we can create a folder named junit5 in our C:\ drive and save the jar file there.



How to download JUnit 5 jars from Maven Central Repository?




To download JUnit 5 jars from Maven Central Repository, we need to follow these steps:


  • Visit [2]( and search for org.junit.jupiter. This is the group ID for JUnit Jupiter, which is the main API for writing tests with JUnit 5.



  • Select the latest version of junit-jupiter-api. This is the artifact ID for the core library that provides annotations and assertions for writing tests with JUnit Jupiter.



  • Click on jar link under Download column. Save the jar file in the same folder where we saved the previous jar file.



  • Repeat steps 2 and 3 for junit-jupiter-engine. This is the artifact ID for the test engine that runs tests written with JUnit Jupiter.



  • Visit [3]( and search for org.junit.platform. This is the group ID for JUnit Platform, which provides a common foundation for running tests with different frameworks.



  • Select the latest version of junit-platform-launcher. This is the artifact ID for the library that provides a launcher API for launching tests with JUnit Platform.



  • Click on jar link under Download column. Save the jar file in the same folder where we saved the previous jar files.



Setting up environment variables




To run tests with JUnit 5, we need to set up two environment variables: JUNIT_HOME and CLASSPATH.


How to set up JUNIT_HOME and CLASSPATH variables?




To set up JUNIT_HOME and CLASSPATH variables, we need to follow these steps:


  • Right-click on My Computer and select Properties.



  • Click on Advanced system settings.



  • Click on Environment Variables.



  • Under System variables, click on New.



  • In the Variable name field, enter JUNIT_HOME.



  • In the Variable value field, enter the path of the folder where we saved the JUnit 5 jar files. For example, C:\junit5.



  • Click on OK.



  • Select the CLASSPATH variable from the list of system variables. If it does not exist, create a new one as before.



  • Edit the CLASSPATH variable and append the following value to it: ; %JUNIT_HOME%\junit-platform-console-standalone.jar; %JUNIT_HOME%\junit-jupiter-api.jar; %JUNIT_HOME%\junit-jupiter-engine.jar; %JUNIT_HOME%\junit-platform-launcher.jar;. The semicolons are used to separate different paths in the classpath.



  • Click on OK.



  • Click on OK again to close the environment variables window.



  • Restart Eclipse IDE if it is already running.



How to verify the environment variables?




To verify the environment variables, we can use the following steps:


  • Open a command prompt window.



  • Type echo %JUNIT_HOME% and press enter. It should display the path of the folder where we saved the JUnit 5 jar files.