ex17g.cpp

#include <iostream>
using namespace std;

class Rectangle {
    int width, height;
  public:
    Rectangle(int x, int y) : width(x), height(y) {}
    int area(void) { return width * height; }
};

int main() {
  Rectangle obj(3, 4);
  Rectangle * foo, * bar, * baz;
  foo = &obj;
  bar = new Rectangle(5, 6);
  baz = new Rectangle[2] { {2, 5}, {3, 6} };
  cout << "obj's area: " << obj.area() << endl;
  cout << "*foo's area: " << foo->area() << endl;
  cout << "*bar's area: " << bar->area() << endl;
  cout << "baz[0]'s area:" << baz[0].area() << endl;
  cout << "baz[1]'s area:" << baz[1].area() << endl;
  delete bar;
  delete[] baz;
  return 0;
}