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):

Oct 24, 2012 · The terminology used in the Ruby core documentation is 'superclass' and 'subclass'. Any use of the terms 'child class' or 'parent class' are just colloquialisms (i.e. local …

A superclass, also known as a base class or parent class, serves as a blueprint for creating other classes. It defines common attributes and behaviors that can be shared by multiple subclasses.

Jul 23, 2025 · First Statement in a Constructor: When calling a superclass constructor, the super () statement must be the first statement in the constructor of the subclass. This ensures that …

Definitions: A class that is derived from another class is called a subclass (also a derived class, extended class, or child class). The class from which the subclass is derived is called a …

As a subclass, your class inherits member variables and methods from its superclass. Your class can choose to hide variables or override methods inherited from its superclass.

Dec 13, 2025 · A superclass represents a generalized class that contains common properties and behaviors, while a subclass is a specialized class that inherits these features and can add new …

Sep 7, 2025 · In object-oriented programming, a class from which other classes inherit code is called a superclass. Furthermore, the class that inherits the code is called a subclass of that …

A class X that extends another class Y is said to be a subclass [1] of Y. Y is said to be a superclass [2] of X. All classes are considered to be subclasses of themselves.

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).