java array merge
public static void main(String[] args) { int[] x = {1, 2, 3}; int[] y = {4, 5, 6}; int[] merge = new int[x.length + y.length]; for (int i = 0; i < x.length; i++) { merge[i] += x[i]; } for (int i = 0; i < y.length; i++) { merge[x.length + i] += y[i]; } System.out.println(Arrays.toString(merge)); }