class Main { public static void main(String[] args) { int[] boxes = {1, 2, 3, 4, 5}; for (int i = 0; i < boxes.length; i++){ for(int j = 0; j < boxes.length; j++) { System.out.print(boxes[i]); System.out.print(", "); System.out.println(boxes[j]); } } } }