Darwin - Root module
· Library that allows your code evolve. Test your new implementation in production environment. Measure and choose which result to return.
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 parent-0.9.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.