char[] hello = {' ', 'h', 'e', 'l', 'l', 'o'};

		int i = 1;
		while (i < 6)
		{
			hello[i-1] = hello[i];
			i++;
		}
		hello[5] = '!';


18. 	public static boolean isMedian(double[] sample, double m)
	{
		if (sample.length - m == m)
			return true;

		else
			return false;

	}

19.