C++ | Virtual Functions | Question 7

#include<iostream>
using namespace std;

class Base
{
public:
    virtual void show() = 0;
};

class Derived: public Base
{
public:
    void show() { cout<<"In Derived \n"; }
};

int main(void)
{
    Derived d;
    Base &br = d;
    br.show();
    return 0;
}

(A) Compiler Error in line “Base &br = d;”
(B) Empty Output
(C) In Derived


Answer: (C)

Explanation: Please refer Pure Virtual Functions and Abstract Classes in C++


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