Discussion
Which of the following term describes the ability of a class to provide common interface for different types of objects in object-oriented programming ?
Answer: B
The term is polymorphism.
Polymorphism lets objects of different classes be used through one common interface: a call such as shape.draw() runs the right version for a circle or a square. It is achieved through inheritance with overridden methods, interfaces and overloading.
Encapsulation hides an object's data behind its methods. Inheritance lets a class acquire the members of another; it supports polymorphism but is not the ability itself. Abstraction exposes essential features while hiding detail.
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