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Which of the following is a technique for hiding the internal implementation details of an object?

  • A.Encapsulation
  • B.Polymorphism
  • C.Inheritance
  • D.All of the above.

Answer: A

Correct answer: Encapsulation

Encapsulation packages data with the operations that act on it and exposes only the interface, so the internal representation can change without disturbing anything that uses the object. Polymorphism and inheritance are separate principles, concerned with many forms of one operation and with sharing structure between classes.

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