What is Polymorphism?
Behaving in different ways depending upon input receive is know as polymorphism. i.e. whenever input changes automatically output or behavior also changes. There are basically two types of polymorphism in...
What is the difference between reference and pointer?
A pointer can have Null value ,int *p=Null means, it is not having any address to point . while reference can't have &p=Null(not allowed).2- address can be changed in case...
What is Abstraction? Why we use it?
Abstraction which denotes/shows the essential characteristics of an object which distinguish it from all other kinds of objects.Ex. Consider a person details.Doctor needs || Interviewer needs>name of patient || >name...
