If you aren't using a build tool, major IDEs have built-in support for "downloading" or adding JUnit libraries directly to your project's classpath.
Most developers use these methods because the tools automatically download the correct JAR files and all required dependencies (like Hamcrest ) for you. Maven Configuration junit testing download
org.junit.jupiter junit-jupiter 5.11.3 test Use code with caution. If you aren't using a build tool, major