Irregular two-dimensional array

package com.sjzmlb.test;

/**
 *
 * @author sjzmlb
 *
*/
public class TestArray {
 public static void main(String[] args) {
 // -----Irregular two-dimensional Array----
 int[][] ints = new int[5][];
 for (int i = 0; i < 5; i++) {
 ints[i] = new int[i + 1] ;
 for (int j = 0; j < i + 1; j++) {
 ints[i][j] = i + 1;
 }
 }
 for (int[] i : ints) {
 for ( int j : i) {
 System.out.print(j);
 }
 System.out.println();
 }
 }
}

1
22
333
4444
55555