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 conventions).

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.

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.

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 the parent …

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 superclass.

Subclasses, such as MouseEvent and KeyboardEvent, inherit state and behaviour from their superclass. For example, MouseEvent and KeyboardEvent would both inherit the time stamp attribute from the …

Models the superclass (JVMS 4.1) of a class. A Superclass appears at most once in a ClassModel: it must be absent for module descriptors or the Object class, and must be present otherwise.

The Object class is the superclass of all other classes in Java and a part of the built-in java.lang package. If a parent class isn’t specified using the extends keyword, the class will inherit from the …