metamodel - parent
· This tooling enables you to generate meta model classes of standard POJOs. These meta model classes can then be used to reflectively access the data of your POJO-instances in a type safe way.
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 parent-1.0.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.