What is virtual inheritance in C++?

Options

  • A. C++ technique to enhance multiple inheritance
  • B. C++ technique to ensure that a private member of the base class can be accessed somehow
  • C. C++ technique to avoid multiple copies of the base class into children/derived class
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

C. C++ technique to avoid multiple copies of the base class into children/derived class

Detailed Explanation

Answer: C++ technique to avoid multiple copies of the base class into children/derived class

Virtual inheritance is used in C++ to solve the diamond problem in multiple inheritance.

Without virtual inheritance, a derived class may contain multiple copies of the same base class when the base class is inherited through more than one path.

Virtual inheritance ensures that only one shared copy of the common base class exists in the final derived class.

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