Fission theory. Fission Theory-A theory for the origin of the Moon in which the Moon consists of matter that was flung from the primitive Earth because of the Earth 's rapid rotation ...
Method overloading is the example of compile time polymorphism. Method overriding is the example of run time polymorphism. In java, method overloading can't be performed by changing return type of the method only. Return type can be same or different in method overloading.
Understanding what it is, how it works and what the rules are is very important for every Java programmer, especially those who are preparing for the OCPJP exam. Overriding refers to the ability of a subclass to re-implement an instance method inherited from a superclass.