//  Friday13GregorianCalendar.java  (c) 2005 Kari Laitinen

//  http://www.naturalprogramming.com

//  2004-08-19  File created.
//  2005-05-11  Last modification.

//  This program works almost like Friday13.java

import java.util.* ;

class Friday13GregorianCalendar
{
   public static void main( String[] not_in_use )
   {
      Calendar  date_to_increment  =  new GregorianCalendar() ;

      int   number_of_friday13_dates_to_print  =  10 ;

      System.out.print( "\n The following are the next such dates"
                      + "\n that are Fridays and the 13th days"
                      + "\n of a month: \n" ) ;

      while ( number_of_friday13_dates_to_print  >  0 )
      {
         while ( date_to_increment.get( Calendar.DAY_OF_WEEK )   != 
                                                       Calendar.FRIDAY  ||
                 date_to_increment.get( Calendar.DAY_OF_MONTH )  !=  13   )
         {
            date_to_increment.add( Calendar.DAY_OF_MONTH, 1 ) ;
         }

         System.out.printf( "\n   %1$tF, %1$tA", date_to_increment ) ;

         date_to_increment.add( Calendar.DAY_OF_MONTH, 27 ) ;
         number_of_friday13_dates_to_print  --  ;
      }
   }
}