static void Main(string[] args)
{
Circle c = new Circle(new Point(5, 5), 50.5);
Rectangle r = new Rectangle(new Point(1, 2), new Point(3, 4), new Point(5, 6), new Point(7, 8));
Point p = new Point(9, 10);
ShapeHolder shapeHolder = new ShapeHolder();
shapeHolder.add(c);
shapeHolder.add(r);
shapeHolder.add(p);
Console.WriteLine(c);
Console.WriteLine(r);
Console.WriteLine(p);
DoStuffWithCircle((Circle)c.clone(), (Rectangle)r.clone(), (Point)p.clone());
Console.WriteLine(c);
Console.WriteLine(r);
Console.WriteLine(p);
}
static void Main(string[] args)
{
Shape s = new Circle(new Point(5, 5), 50.5);
ShapeHolder sh = new ShapeHolder();
sh.add(s);
sh.toString();
DoStuffWithCircle((Circle)(s.clone()));
sh.toString();
}