public void Main()
{
var square = new Square(5);
var drawer = new SquareDrawer(square);
drawer.Draw();
}
public void Main()
{
var shapes = new IShape[] { new Square(5), new Circle(1) /*, ...*/ };
foreach (IShape shape in shapes)
{
if (shape is Square)
{
var drawer = new SquareDrawer((Square)shape);
drawer.Draw();
}
else if (shape is Circle)
{
var drawer = new CircleDrawer((Circle)shape);
drawer.Draw();
}
// ...
}
}