celerio pack-javaee7-backend
· The Celerio Generation Template Pack "JavaEE7 backend" contains a set of source code file templates
that are interpreted by Celerio code generator in order to generate an application persistence layer
compatible with JavaEE 7.
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 pack-javaee7-backend-1.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.