A public method should never be called by another public method within the same class hierarchy. It should only be called by other classes via the classes' public interface. Class calls might not be ...

This method makes it possible to sort an array of unsorted constants. getDeclaringClass() returns the java.lang.Class object corresponding to the current constant’s enum.

Another interesting concept in this Java code challenge is that we are using an anonymous inner class. This basically means any class that will implement the methods from the Nemesis abstract class.