// Demonstration of construction and destruction order.

#include <iostream>
#include <string>

using namespace std;


class Base1{
public:
  int i;
  string s;

  Base1(int i, string s): i(i), s(s){ 
    cout << "Base1 constructor" << endl;
  }

  ~Base1(){
    cout << "Base1 destructor" << endl;
  }
};

class Base2{
public:
  int j;
  bool b;

  Base2(int j, bool b): j(j), b(b){
    cout << "Base2 constructor" << endl;
  }

  ~Base2(){
    cout << "Base2 destructor" << endl;
  }
};



class Derived: public Base1, public Base2{         // Declaration order: Base1 before Base2
public:
  double d;

  Derived(double d, int i, string s):
      Base1(i+1, s+s), Base2(i+2, false), d(d){
        cout << "Derived constructor" << endl;
  }

  ~Derived(){
    cout << "Derived destructor" << endl;
  }

};

int main(){
  Derived d1(5.0, 1, "AP");  // Base1 constructor 
                             // Base2 constructor 
                             // Derived constructor 
                             // Derived destructor 
                             // Base2 destructor 
                             // Base1 destructor 
}