public class Solution { public static int[] firstArray = new int[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; public static int[] secondArray = new int[]{10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; public static int[] resultArray; public static void main(String[] args) { int lenghtResult = firstArray.length + secondArray.length; resultArray = new int[lenghtResult]; for (int i = 0; i < resultArray.length; i++) { if (i < firstArray.length) resultArray[i] = firstArray[i]; else resultArray[i] = secondArray [i - 10]; System.out.print(resultArray[i] + ", "); } } }