Abstract Class Vs Interface

Abstract Class	Interface
Abstract classes are classes that contain one or more abstract methods.	An Interface is a blueprint of class.
It can have abstract and non-abstract methods.	It can have only abstract methods.
It doesn’t support multiple inheritance.	It supports multiple inheritance.
It can have final, non-final, static and non-static variables.	It has only static and final variables.
It can have static methods, main method and constructor.	It can’t have static methods, main method or constructor.
It doesn’t provide full abstraction.	It provides full abstraction.
It can provide the implementation of interface.	It can’t provide the implementation of abstract class.
A class may inherit only one abstract class.	A class may inherit several interfaces.
The abstract keyword is used to declare abstract class.	The interface keyword is used to declare interface.
Example: public abstract class Test { public abstract void draw(); }	Example: public interface Drawable { void draw(); }