class Point { public: double x, y; string name;
   Point(string w, double xx, double yy) { cout << "constructor: " << w << endl;
     name = w; x = xx; y = yy; }
   ~Point() { cout << "destructor: " << name << endl; }
   void print() { cout << name << ": (" << x << "," << y << ")" << endl; } };

  int main() { Point p1("p1",1,2);  p1.print();

constructor: p1
p1: (1,2)

    { Point p2("p2",2,3);  p2.print(); }

constructor: p2
p2: (2,3)
destructor: p2

    Point *p3 = new Point("p3",3,4);  (*p3).print();  p3->print();

constructor: p3
p3: (3,4)
p3: (3,4)

    delete p3; // without this, p3 destructor would never be called

destructor: p3

  }

destructor: p1