Polymorphism Interview questions

 1.Can we achieve method overloading by changing the return type of method only?

Ans:- in java method overloading is not possible by changing the return type of the method only because of ambiguity.

2.Can we overload java main() method()?

Ans:- yes ,we can have any number of main method overloading .this is because JVM always calls main() method which receives string arrays as arguments only.

program 1

program 3

program 2