Why We Use Subclassing in Java?

A class in Java can be declared as a subclass of another class using the extends keyword. A subclass inherits variables and methods from its superclass and can use them as if they were declared within the subclass itself: ... To use the proper terminology, Java allows single inheritance of class implementation.

Why is inheritance used in Java?

Programmers employ inheritance for a number of different purposes: to provide subtyping, to reuse code, to allow subclasses to customise superclasses' behaviour, or just to categorise objects.

What is subclassing in Java?

Definitions: A class that is derived from another class is called a subclass (also a derived class, extended class, or child class). ... A subclass inherits all the members (fields, methods, and nested classes) from its superclass.

James H. Sterling

James H. Sterling

Environmental Science & Climate Journalist

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.