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) { resultArray = new int[firstArray.length + secondArray.length]; for (int i = 0; i < firstArray.length; i++) { resultArray[i] = firstArray[i]; System.out.print(resultArray[i] + ", ");} for (int j = 0; j < secondArray.length; j++) { resultArray[j] = secondArray[j]; System.out.print(resultArray[j] + ", ");} } }