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  1. #include <iostream>
  2. using namespace std;
  3. class B
  4. {
  5.     public:
  6.       virtual void display()
  7.          { cout<<"Content of base class.\n"; }
  8. };
  9.  
  10. class D : public B
  11. {
  12.     public:
  13.        void display()
  14.          { cout<<"Content of derived class.\n"; }
  15. };
  16.  
  17. int main()
  18. {
  19.     B *b;
  20.     D d;
  21.  
  22.  
  23.     b = &d;    /* Address of object d in pointer variable */
  24.     b->display();
  25.     return 0;
  26. }
Success #stdin #stdout 0s 3340KB
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Standard input is empty
stdout
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Content of derived class.
https://ideone.com/rAUCsR
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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