skeleton-backend-archetype
· This project contains a pre-generated skeleton, useful for creating project from scratch. It contains an embedded HSQLDB database.
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 skeleton-backend-archetype-1.4.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.