The extends keyword extends a class (indicates that a class is inherited from another class). In Java, it is possible to inherit attributes and methods from one class to another. We group the "inheritance concept" into two categories: To inherit from a class, use the extends keyword. Read more about inheritance in our Java Inheritance Tutorial.

Mar 27, 2025 · In Java, the extends keyword is used to inherit all the properties and methods of the parent class while the implements keyword is used to implement the method defined in an interface. 1. 2. It is not compulsory for a subclass that extends a superclass to override all the methods in a superclass.

Dec 25, 2024 · Extends In Java is a keyword that is written with the child class during class declaration followed by the name of the parent class. When a child class extends a class it acquires or inherits all the properties of the parent class.

Jan 3, 2014 · For example: public class Parent { private String output = "hallo"; protected void setOutput(String output) { this.output = output; } public void print() { System.out.println(output ); } } public class Child extends Parent { public Child() { setOutput("child"); } }

Learn how to use the `extends` keyword in Java to establish inheritance between classes. This guide covers syntax, examples, and best practices for effective object-oriented programming.

Learn java extends - What is it, syntax and examples of extends in java, Extending final class in java example, Extending Interfaces in java.

Oct 23, 2023 · In Java, the ‘extends’ keyword is used to denote inheritance from a superclass. When a class extends another, it inherits all the accessible methods and fields of the superclass. This is one of the fundamental aspects of Java’s object-oriented programming. Let’s look at a simple example: void eat() { System.out.println("Animal can eat");

By using extends, we can create a subclass that inherits from a parent class, promoting code reuse and modularity. In this article, we'll explore the extends keyword in Java, its syntax, usage, and significance in object-oriented programming.

Nov 20, 2023 · In Java, the extends keyword is used to declare a class that inherits from another class, known as the superclass. This inheritance mechanism allows the subclass to inherit fields and methods from the superclass.

The extends keyword is used in a class or interface declaration to indicate that the class or interface being declared is a subclass of the class or interface whose name follows the extends keyword. In below example, we have created Animals superclass and Dog and Cat subclasses extends an Animals superclass.