private void showWinners() {  
		if (posFido >= tracksize -1) {
			System.out.println("Fido Wins!");
		}									
		if (posSpot >= tracksize -1) {
			System.out.println("Spot Wins!");
		}
		if (posRover >= tracksize -1) {
			System.out.println("Rover Wins!");
		}
		
	}