Java EE 6 Sandbox Archetype
· Java EE 6 Knappsack archetype sandbox project for Java EE 6 with CDI, JSF, JPA and a sample model and test data to play around with, try new things, and use as a foundation for tutorials
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 jee6-sandbox-archetype-1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.