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 ...

The examination of a problem by modeling it as a group of interacting objects. An object is defined by its class, data elements and behavior. For example; in an order processing system, an invoice is ...

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 ...