Tutorial by Examples

Abstraction is one of the main concepts in Object Oriented Programming (OOP). This is the process of hiding the implementation details for the outsiders while showing only essential details. In another words, Abstraction is a technique to arrange the complexity of a program. There are two basic typ...

Access modifiers are used to control the access to an object or to a function/method. This is a main part of the concept of Abstraction. Different programming languages use different access modifiers. Here are some examples: Java Java has 4 access modifiers. private - These attributes can ...