What is polymorphism in object oriented programming ? The word polymorphism comes from Greek and means having several different forms. This is one of the essential concepts of object-oriented ...

One of the easiest ways to understand what is meant by ‘object oriented’, is to define what it is not. Before Object Oriented Programming (OOP) programs were written an imperative way, essentially a ...

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...