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 ...

Another topic I covered with during my interview with Sun Microsystems' Joe Hartley was "Greenfoot," a tool that Sun helped develop (providing financial and consultative support to the developers) to ...

Like it or not, data is an integral part of any application, even cool object-oriented ones. Everything stops at the persistence layer, where Java developers traditionally have had to write complex ...

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 ...

Concept of Object Oriented Programming – Data hiding, Data encapsulation, Class and Object, Abstract class and Concrete class, Polymorphism (Implementation of polymorphism using Function overloading ...