1  public class DayTester

  2  {

  3     public static void main(String[] args)

  4     {

  5        Day today = new Day(2001, 2, 3); // February 3, 2001

  6        Day later = today.plusDays(999);

  7        System.out.println(later.getYear() 

  8              + "-" + later.getMonthValue() 

  9              + "-" + later.getDayOfMonth()); 

 10        System.out.println(later.daysFrom(today)); // Prints 999

 11     }

 12  }