A re-creation of the Spring PetClinic Sample Application, using Java EE 7 for UI controllers and business classes.
JMockit is used for integration testing, instead of the Spring Test Context.
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 petclinic-1.51.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
