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What is vptr?

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in C++ by (98.8k points)
What is vptr?

(a) A hidden pointer in a class that points to a virtual table of that class

(b) A hidden pointer in a class that points to virtual functions of that class

(c) A hidden pointer in a class that points to virtual members of the class of that class

(d) A pointer in a class that points to other class

I got this question in quiz.

My question is taken from vtable and vptr topic in section Class Hierarchies, Library & Containers of C++

1 Answer

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Best answer
Correct answer is (a) A hidden pointer in a class that points to a virtual table of that class

The best I can explain: vptr is a hidden pointer available with classes which are used to point to the virtual table of a class.

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