What is interface in java: In Java

In Java , classes and interfaces are used to define the structure and behavior of programs. While they might seem similar, since both can hold methods and variables, they have very different purposes. class-vs- Interface A class can extend another class and implement an interface , while an interface can only extend another interface , not implement a class. Class in Java A class is a blueprint for creating objects. It encapsulates fields (state) and methods (behavior) that are common to all ... 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. Interfaces in Java are a fundamental part of object-oriented programming that help achieve abstraction and multiple inheritance. This article will explain what an interface is, how it works, and why it’s important. We’ll also explore its key features, advantages, and practical use cases to give you a clear understanding of interfaces in Java . Contents: What is an Interface in Java ? Creating and Implementing an Interface in Java Difference Between Class and Interface in Java Multiple ...