Which class constructor is called in the following C++ code?

Dharmendra Sir • 3.53K Points
Extraordinary

Q. Which class constructor is called in the following C++ code?

Code:

#include<iostream> 
  
using namespace std; 

class A { 
 public: 
     A() 
     { cout << " The constructor of class A is called." << endl;  } 
}; 
  
class B { 
 public: 
     B() 
     { cout << " The constructor of class B is called." << endl;  } 
}; 
  
class C: public A, public B { 
   public: 
     C() 
     {  cout << " The constructor of class C is called." << endl;  } 
}; 
  
int main() 
{ 
   C c; 
   return 0; 
}

(A) Classe C
(B) Class A and B
(C) Class A, B and C
(D) Compilation error

Correct Answer - Option(C)
Views: 124
Filed under category C++

Explanation by: Dharmendra Sir

In case of multiple inheritance, the constructors of parent classes are always called in the order of inheritance from left to right and the destructors are called in reverse order.

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