What is Interfaces?

• Interfaces help us to use multiple classes in a single class inherit.
• Interfaces are declared with the interface keyword.
• Derived class is called derived class.
• object not be created in interface.
• Property should not be defined in interface(class).
• All interface methods must be public.
• All methods in an interface are abstract.
• To implement an interface, a class must use the implements keyword.

Example :-