public static void sort(int[] source) {

		int len = source.length;

		if (len == 0) {
			System.out.println("Empty!");
			return;
		} else if (len == 1) {
			return;
		}

		for (int i = 1; i < source.length; i++) {
			int j = i;
			int temp = source[j];
			while (j > 0 && temp < source[j - 1]) {
				source[j] = source[j - 1];
				j--;
			}
			source[j] = temp;
		}
	}