RefactorFirst
· Plugin that identifies God classes in a codebase and suggests which classes should be refactored first.
Generates a graph and a table providing (hopefully) easy to understand guidance.
Can be used via command line, as a build plugin, or as a report plugin.
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 refactor-first-0.4.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.