A

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Q. Which of the following is true?

  • (A) The C++ interfaces are implemented using abstract classes
  • (B) The purpose of an abstract class is to provide an appropriate base class from which other classes can inherit
  • (C) Abstract classes cannot be used to instantiate objects and serves only as an interface.
  • (D) All of the above
  • Correct Answer - Option(D)
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  • Filed under category C++
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