versioned-data-storage
· Version data storage API and Implementation. Store different versions of data. Versions are based on save datetime. Works with PostgreSQL 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 versioned-data-storage-3.22.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.