An interface is a group of related methods with empty bodies that define the behavior of an object. Learn how to implement an interface in Java and why it is useful for object-oriented programming. Explore the concept of Java interfaces and learn how Java uses them to implement polymorphism and multiple inheritance. Understand what a Java Interface is, its key benefits, how to implement it, and explore practical examples to help you master interfaces in Java . Learn what an interface is in Java , how it differs from a class, and how to declare, implement, and extend interfaces. See examples of interfaces, methods, and fields in Java .
