// Fig. 19.10: TimeComparator.java
// Custom Comparator class that compares two Time2 objects.
import java.util.Comparator;

public class TimeComparator implements Comparator< Time2 > 
{
   public int compare( Time2 time1, Time2 time2 )
   {
      int hourCompare = time1.getHour() - time2.getHour(); // compare hour
         
      // test the hour first
      if ( hourCompare != 0 )
         return hourCompare;
         
      int minuteCompare = 
         time1.getMinute() - time2.getMinute(); // compare minute
         
      // then test the minute
      if ( minuteCompare != 0 )
         return minuteCompare;
         
      int secondCompare = 
         time1.getSecond() - time2.getSecond(); // compare second

      return secondCompare; // return result of comparing seconds
   } // end method compare
} // end class TimeComparator

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