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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Animal
  5. {
  6. public:
  7.     virtual void Cry()
  8.     {
  9.         std::cout << "Animal Cry" << std::endl;
  10.     }
  11. };
  12.  
  13. class Dog : public Animal
  14. {
  15. public:
  16.     virtual void Cry()
  17.     {
  18.         std::cout << "Dog Cry" << std::endl;
  19.     }
  20. };
  21. int main()
  22. {
  23.     Animal a; a.Cry();
  24.     Dog d; d.Cry();
  25.  
  26.     Animal* p = &d;
  27.     p->Cry();
  28. }
Success #stdin #stdout 0.01s 5272KB
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Standard input is empty
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Animal Cry
Dog Cry
Dog Cry
https://ideone.com/W0sH0w
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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