There are three major features in object-oriented programming that makes them different than non-OOP languages: encapsulation, inheritance ... These user-defined data types are called "classes ...

Simple! Inheritance just means that a type has all the properties of the one it extends from, except where I define something differently. In object-oriented programming, we sometimes say that ...

When object-oriented programming languages began ... As you see in the previous examples, column and table names are given as strings. A programmer could type the wrong name, which would appear ...

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 ...