Interface in Java

   Interface in java

Interface ?
Example of Interface
Multiple inheritance by Interface
Why multiple inheritance is supported in Interface while it is not supported in case of class.
Marker Interface
Nested Interface

Abstract class in Java

A class that is declared with abstract keyword, is known as abstract class in java. It can have abstract and non-abstract methods (method with body).
Before learning java abstract class, let's understand the abstraction in java first.

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Inheritance in Java

1. Inheritance
2. Types of Inheritance
3. Why multiple inheritance is not possible in java in case of class?

Inheritance in java is a mechanism in which one object acquires all the properties and behaviors of parent object.