return array;
	private void shuffle(Object[] array) {		for (int lastPlace = array.length-1; lastPlace > 0; lastPlace--) {			// Choose a random location from among 0,1,...,lastPlace.			int randLoc = (int)(Math.random()*(lastPlace+1));			// Swap items in locations randLoc and lastPlace.			Object temp = array[randLoc];			array[randLoc] = array[lastPlace];			array[lastPlace] = temp;		}	}