View Java Class Source Code in JAR file
- 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 org.eclipse.concierge.service.startlevel-5.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
org.osgi.service.startlevel
├─ org.osgi.service.startlevel.StartLevel.class - [JAR]
org.eclipse.concierge.compat.startlevel
├─ org.eclipse.concierge.compat.startlevel.Activator.class - [JAR]
├─ org.eclipse.concierge.compat.startlevel.StartLevelImpl.class - [JAR]