org.ssf4j:ssf4j
· Simple Serialization Facade for Java
Wrapper around existing serializaiton libraries that provides a common API. Library developers can use ssf4j to make serialization-independent libraries, where the actual serialization mechanism is supplied by the library user.
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 ssf4j-parent-0.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.