public static void mergeSort(int x[], int y[]) {
		int z[] = new int[x.length + y.length];
		System.out.print("First Array :\t");
		for (int i = 0; i < x.length; i++) {
			System.out.print(x[i] + " ");
			z[i] = x[i];
		}
		System.out.print("\nSecond Array :\t");
		for (int i = x.length, j = 0; i < z.length; i++, j++) {
			System.out.print(y[j] + " ");
			z[i] = y[j];
		}
		System.out.print("\n");
		ArrayDemo.sort(z);
	}