gistfile1.txt

public class NestedLoop {
   public static void main (String [] args) {
      int userNum  = 0;
      int i = 0;
      int j = 0;

      /* Your solution goes here  */
      for (i = 0; i <= userNum; i++) {
         for (j = 0; j < i; j++) {
          System.out.print(" ");  
         }
         System.out.println(i);
      }
      return;
   }
}