Q. Which C++ keyword is used to define an abstract class?

  • (A) abstract
  • (B) virtual
  • (C) pure
  • (D) class
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✅ Correct Answer: (B) virtual
Explanation: A class is abstract in C++ if it has at least one pure virtual function, which is declared using the 'virtual' keyword.

Published by Rakesh Kumar ⭐ 28.44K Points at 14-Feb-2025 10:33 pm in C++

Explanation by: Rakesh Kumar
A class is abstract in C++ if it has at least one pure virtual function, which is declared using the 'virtual' keyword.

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