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In computer science, a superclass is a class from which other classes are derived. A superclass is also called a parent class or base class. The classes that are derived from a superclass are known as child classes, derived classes, or subclasses. We can also say that a class A extends class B when A is a subclass of B. A superclass allows for a generic interface to specialized functionality through the use of virtual functions. The superclass mechanism is extensively used in object oriented programming due to the reusability that can be achieved: common features are encapsulated in modular objects.
See also In UML, class extension (subclassing) is represented as follows: | ||||||||
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