celerio pack-backend-jpa
· The Celerio Generation Template Pack "JPA backend" contains a set of source code file templates that
are interpreted by Celerio code generator in order to generate an application persistence layer.
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-backend-jpa-1.0.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.