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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class A
  6. {
  7. public:
  8.     A(){cout << "i get this default constructor when I create a B" << endl;}
  9.     A(int i){cout << "this is the constructor i want when I create a B" << endl;}
  10. };
  11.  
  12. class B
  13. {
  14.     A a;
  15.  
  16.     public: B() : a(5) {}
  17. };
  18.  
  19. int main()
  20. {
  21.     B *ptr = new B;
  22.     return 0;
  23. }
Success #stdin #stdout 0.02s 2856KB
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stdin
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Standard input is empty
stdout
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this is the constructor i want when I create a B
https://ideone.com/sH4T0
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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