// constructors and derived classes

// Although the constructors and destructors of the base class are not inherited
// themselves, its default constructor (i.e., its constructor with no parameters)
// and its destructor are always called when a new object of a derived class is
// created or destroyed.

#include <iostream>
using namespace std;

class mother {
  public:
    mother ()
      { cout << "mother: no parameters\n"; }
    mother (int a)
      { cout << "mother: int parameter\n"; }
};

class daughter : public mother {
  public:
    daughter (int a)
      { cout << "daughter: int parameter\n\n"; }
};

class son : public mother {
  public:
         
// If the base class has no default constructor or you want that an overloaded
// constructor is called when a new derived object is created, you can specify it
// in each constructor definition of the derived class.

    son (int a) : mother (a)
      { cout << "son: int parameter\n\n"; }
};

int main () {
  daughter cynthia (0);
  son daniel(0);
  getchar();
  
  return 0;
}