JEAF Launcher Project
· Project provides an so called launcher. A launcher can be used to run JSE applications in a simple way either as App or as Service. JEAF Launcher also provides an mechanism for automatic updates.
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 jeaf-launcher-project-1.5.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.