Object-oriented programming allows procedures about objects to be created whose exact type is not known until runtime. For example, a screen cursor may change its shape from an arrow to a line ...

In object-oriented programming, we sometimes say that when type A extends type B, that type A is-a type B. (More about this in a moment.) Inheritance concepts: Overriding, overloading, and ...

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 ...

Since the introduction of object-oriented programming languages and three-tier architectures, enterprise application designers have tried to hide the relational database structure deep in the ...