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.
Usage of Java Method Overriding. 1  Method overriding is used to provide specific implementation of a method that is already provided by its super class. 2  Method overriding is used for runtime polymorphism.