Which keyword is used with a base class in C++ to implement virtual inheritance?
Options
- A. virtual
- B. static
- C. friend
- D. More than one of the above
- E. None of the above
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Quiz Practice:
Correct Answer (Detailed Explanation is Below)
A. virtual
Detailed Explanation
Answer: virtual
The virtual keyword is used when specifying virtual inheritance.
For example:
class B : virtual public A { };
Here, class B virtually inherits class A. If another class later inherits from multiple classes derived from A, only one shared A subobject is maintained.