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.
An override method provides a new implementation of a member that is inherited from a base class. The method that is overridden by an override declaration is known as the overridden base method. The overridden base method must have the same signature as the override method.