// Loop demo -- let's figure out what the output will be

public class Demo2
{
  public static void main(String [] args)
  {
    // before doing anything, let's declare our counter variables
    // We cusomarily use i and j for names, or "row" and "col"
    int i, j;

    for (i = 1; i <= 7; ++i)
    {
      for (j = 1; j <= 7; ++j)
      {
        if (j >= i)
          System.out.printf("%d  ", 45 - 5*i);
        else
          System.out.printf("    ");
      }
      System.out.printf("\n");
    }
  }
}