The 'implements' keyword in Java is used to implement an interface, used with the syntax class Child implements Parent. This keyword allows a class to inherit abstract methods from the interface, which it then has to provide implementations for. Here’s a simple example: interface Animal{void sound();} class Dog implements Animal{public void sound(){System.out.println("Woof!");}}.
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- To access the interface methods, the interface must be "implemented" (kinda like inherited) by another class with the implements keyword...
- In Java, extends and implements are two keywords that are closely associated with inheritance and interfaces. Let’s discuss them more in detail.
- In this guide, we’ll walk you through the process of mastering the ‘implements’ keyword in Java, from its basic usage to more advanced techniques.
- Since an interface is not having the implementation of the methods, a class can implement any number of interfaces at a time. Example. Java.
- However when you come across the Java implements keyword, it means that we move to another level of abstraction and start working with Interfaces in Java.
- In Java, the two main keywords used for inheritance are extends and implements. ... 3. Implementation.
- /* File name : MammalInt.java */ public class MammalInt implements Animal {. public void eat() {.
- The following example illustrates a class implements an interface and provides a detailed implementation for the interface's methods
- Implementing the Relatable Interface. Here is the Rectangle class that was presented in the Creating Objects section, rewritten to implement Relatable.
- We will learn what is an implements keyword in Java and where and how we can use it in Java programs.