Installation :: IzPack :: Single Jar
· IzPack installer support. Bundle and create an IzPack installer Jar file. The application is bundled in a single 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 globalpom-izpack-singlejar-4.6.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.