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  1. www.geeksforgeeks.org › interfaces-in-javaInterfaces in Java - GeeksforGeeks

    Oct 4, 2024 · The interface in Java is a mechanism to achieve abstraction. Traditionally, an interface could only have abstract methods (methods without a body) and public, static, and final variables by default. It is used to achieve abstraction and multiple inheritances in Java.

  2. www.javatpoint.com › interface-in-javaInterface in Java - Javatpoint

    The Java compiler adds public and abstract keywords before the interface method. Moreover, it adds public, static and final keywords before data members. In other words, Interface fields are public, static and final by default, and the methods are public and abstract.

  3. www.w3schools.com › java › java_interfaceJava Interface - W3Schools

    Interface methods do not have a body - the body is provided by the "implement" class. On implementation of an interface, you must override all of its methods. Interface methods are by default abstract and public. Interface attributes are by default public, static and final.

  4. www.programiz.com › java-programming › interfacesJava Interface (With Examples) - Programiz

    An interface is a fully abstract class. It includes a group of abstract methods (methods without a body). We use the interface keyword to create an interface in Java. For example, interface Language { public void getType(); public void getVersion(); } Here, Language is an interface. It includes abstract methods: getType() and getVersion().

  5. stackabuse.com › guide-to-interfaces-in-javaGuide to Interfaces in Java - Stack Abuse

    Aug 29, 2023 · In this guide, learn everything you need to know about Interfaces in Java - why use them, how they're defined, static and default methods, best practices, naming conventions, functional interfaces, and multiple inheritance as well as interface inheritance.

  6. www.geeksforgeeks.org › interfaces-and-inheritanceInterfaces and Inheritance in Java - GeeksforGeeks

    Sep 11, 2023 · An Interface in Java programming language is defined as an abstract type used to specify the behavior of a class. An interface in Java is a blueprint of a behavior. A Java interface contains static constants and abstract methods. What are Interfaces in Java?The interface in Java is a mechanism to achieve abstraction. Traditionally, an interface cou

  7. dev.java › learn › oopObjects, Classes, Interfaces, Packages, and Inheritance

    This section will introduce you to objects, classes, inheritance, interfaces, and packages. Each discussion focuses on how these concepts relate to the real world, while simultaneously providing an introduction to the syntax of the Java programming language.