Java EE 6 Servlet Basic Archetype
· Java EE 6 Knappsack archetype for servlet containers (Jetty,Tomcat) with just a single page and a persistence provider .
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-servlet-basic-archetype-1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.