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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class a1{ //..
  5. public: virtual void print() const{ cout << "father"; }
  6. };
  7.  
  8. class a2: public a1{ //...
  9. void print() const override{ cout << "child"; }
  10. };
  11.  
  12.  
  13. int main() {
  14. 	a2 item_son;
  15. a1 &item_father = item_son;
  16. item_father.print();
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 4504KB
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Standard input is empty
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child
https://ideone.com/DC4TIF
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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