//  ColumbusNew.java  Copyright (c) Kari Laitinen

//  http://www.naturalprogramming.com

//  2002-11-24  Original program file created.
//  2012-11-14  This program was made to use the newer ISODate class.
//  2012-11-14  Last modification.

//  When this program is compiled, the file ISODate.java
//  must be in the same folder (directory) together with this file.

class ColumbusNew
{
   public static void main( String[] not_in_use )
   {
      // Date information must be provided for the ISODate class in
      // the ISO format YYYY-MM-DD.

      ISODate date_of_discovery_of_america = new ISODate( "1492-10-12" ) ;

      ISODate date_of_first_moon_landing  =  new ISODate( "1969-07-20" ) ;

      System.out.print( "\n   Christopher Columbus discovered America on "
                     +  date_of_discovery_of_america  +  "\n   That was a "
                     +  date_of_discovery_of_america.get_day_of_week() + "." ) ;

      System.out.print( "\n\n   Apollo 11 landed on the moon on "
                     +  date_of_first_moon_landing  +  "\n   That was a "
                     +  date_of_first_moon_landing.get_day_of_week() + "." ) ;

      // The method get_distance_to() delivers the chronological distance
      // in an array of type int, that must be created before we 
      // call the method.

      int[] chronological_distance = new int[ 3 ] ;

      date_of_discovery_of_america.get_distance_to( date_of_first_moon_landing,
                                                    chronological_distance ) ;

      System.out.print( "\n\n   America was discovered "
                  +  chronological_distance[ 0 ]  +  " years, "
                  +  chronological_distance[ 1 ]  +  " months, and "
                  +  chronological_distance[ 2 ]  +  " days"
                  +  "\n   before the first moon landing.\n" ) ;
   }
}