Interface in java: Discover what an interface in

Discover what an interface in Java is and how it enhances code abstraction. Learn its importance, benefits, and implementation with practical examples. In this tutorial, learn what is an Interface and how to implement Interface in Java with example program. Also know the difference between Class and Interface . An Interface in Java is an abstract type that defines a set of methods a class must implement. Learn what interfaces are in Java , how they are used to achieve abstraction, polymorphism, and multiple inheritances, and what methods and variables they can contain. See examples of interface inheritance, default methods, functional interfaces, and more.