To inherit from a class, use the extends keyword. In the example below, the Car class (subclass) inherits the attributes and methods from the Vehicle class (superclass):

In the Java language, classes can be derived from other classes, thereby inheriting fields and methods from those classes. Definitions: A class that is derived from another class is called a …

Sep 19, 2025 · 在 Java 编程中，子类（Subclass）是面向对象编程中继承机制的重要组成部分。 继承允许我们创建一个新类（子类），它可以继承另一个现有类（父类）的属性和方法，从而 …

Mar 18, 2014 · 本教程是Java 继承 子类Subclass 超类Superclass基础知识,您将学习如何使用Java 继承 子类Subclass 超类Superclass附完整代码示例与在线练习,适合初学者入门。

Jan 22, 2026 · A subclass can add its own fields and methods or modify existing ones to extend functionality. Example: In the following example, Animal is the base class and Dog, Cat, and …

什么是子类（Subclass）？ 在 面向对象编程 中，子类（也称为派生类或继承类）是从另一个类（称为父类、基类或超类）继承属性和方法的类。 子类可以扩展、重写或添加新的功能到从 …

Subclasses don't inherit the superclass's private methods. A subclass can either completely override the implementation for an inherited method, or the subclass can enhance the method …

Nov 12, 2025 · Subclasses allow us to create a hierarchy of classes, where a new class (subclass) can inherit the properties and behaviors of an existing class (superclass). This not …

In Java, as in other object-oriented programming languages, classes can be derived from other classes. The derived class (the class that is derived from another class) is called a subclass.

The new class that is created is known as subclass (child or derived class) and the existing class from where the child class is derived is known as superclass (parent or base class).