Class Vs Interface

Class	Interface
A class is a group of objects that has common properties. It is a template or blueprint from which objects are created.	An Interface is a blueprint of class.
It can have final, non-final, static and non-static variables.	It can have only static and final variables.
It can have non-abstract methods.	It can only have abstract methods.
It can be instantiated.	It cannot be instantiated.
It can contain constructors.	It does not contain any constructors.
The members of a class can have access specifier like public, private or protected.	The members of an interface are always public as they have to be accessed by the classes implementing them.
A class can inherit only one class and can implement many interfaces.	An interface cannot inherit any classes while it can extend many interfaces.
The class keyword is used to declare a class.	The interface keyword is used to declare interface.
Example: public class Test { public void draw(); }	Example: public interface Drawable { void draw(); }