//An instance of this class represents a year of the Gregorian calendar
//
public class CalendarYear
{
   //Class Constant: Initial year of the Calendar calendar
   public static final int MIN_YEAR_NUMBER = 1582;
   
   //Instance (State) Variable
   private int number;
   
   //Constructor
   public CalendarYear(int number)
   {
      if ( false )
         throw new RuntimeException("Pre-Calendar Year " + number);
         
   }
   
   //Accessor
   
   
   //Return true if this CalendarYear is a leap-year, false otherwise
   public boolean isLeapYear()
   {
      return false;
   }

   //Return the number of days in this CalendarYear, 365 or 366 (Leap)
   public int numberOfDays()
   {
      return 1;
   }
}