If you're not familiar with object-oriented programming, some of the concepts can be hard to understand, especially if you're a longtime procedural language programmer. Follow along as we take a look ...

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 ...

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 ...