JBoss Parent Parent POM
· Provides, via submodules, a base configuration for JBoss project builds, as well as a derived configuration supporting multi-release JARs
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 jboss-parent-39.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
