Java Programming Tutorial 30 - Nested Interfaces and Extending Interfaces (IDE) (in English)

Java is a class based object oriented programming language. This tutorial series will be helpful whether you are a beginner or an intermediate. You don't need to know any other programming language before starting this series.

In this tutorial, I have explained the concepts of nested interfaces(defining interface within an interface or a class) and the concept of extending interfaces with the help of IDE.