/** @param args the command line arguments */
public static void main(String[] args) {
Rectangle rect = new Rectangle();
System.out.println(rect.getWidth());
Rectangle square = new Rectangle(4, 4);
System.out.println(square.getWidth());
System.out.println(square.getLength());
Area a1 = new Area(square);
a1.calcArea();
System.out.println(a1.getArea());
square.scale(-2);
System.out.println(square.getWidth());
System.out.println(square.getLength());
a1.calcArea();
System.out.println(a1.getArea());
Rectangle anotherRect = new Rectangle(8, 10);
square = anotherRect;
a1.calcArea();
System.out.println(a1.getArea());
}
