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C++ | Virtual Functions | Question 1
Which of the following is true about virtual functions in C++.
(A)
Virtual functions are functions that can be overridden in derived class with the same signature.
(B)
Virtual functions enable run-time polymorphism in a inheritance hierarchy.
(C)
If a function is \'virtual\' in the base class, the most-derived class\'s implementation of the function is called according to the actual type of the object referred to, regardless of the declared type of the pointer or reference.
In non-virtual functions, the functions are called according to the type of reference or pointer.
(D)
All of the above
Answer
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