public class FlyBoxDemo
{

	/**
	 * @param args
	 */
	public static void main(String[] args)
	{
		Box mbx = new Box(20,40,30);
		Box.Fly fly = mbx.new Fly();
		System.out.println(fly);
		fly.setX(15);
		System.out.println(fly);
		fly.setY(20);
		System.out.println(fly);
		fly.setZ(3);
		System.out.println(fly);
		fly.setY(42);
		System.out.println(fly);

	}

}