Common test runner for the JVM. Natively supports running
tests in parallel. Full stack from UI to class loading.
Overcomes a bunch of limitations in JUnit's test runner, IDEs
and build tools.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window parent-0.5.437.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
