public final static int UP = 0;
public final static int DOWN = 1;
public final static int RIGHT = 2;
public final static int LEFT = 3;

public void move(int direction) {
	switch (direction) {
	case UP:
		System.out.println("Move UP");
		break;
	case DOWN:
		System.out.println("Move DOWN");
		break;
	case RIGHT:
		System.out.println("Move RIGHT");
		break;
	case LEFT:
		System.out.println("Move RIGHT");
		break;
	}
}