C++ | Virtual Functions | Question 7

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#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;
}

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(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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