FitburIO Framework
· FitburIO Framework is an open source Java framework that utilizes HK2
dependency injection framework to create resuable components. The
framework's core features can be used by any Java application though
it's more ideal to use it in-conjunction with Jersey 2.0 JAX-RS to
build restful services.
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 framework-0.5.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.