// Fig. 16.8: TimeComparator.java
// Custom Comparator class that compares two Time2 objects.
import java.util.Comparator;

public class TimeComparator implements Comparator<Time2> {
   @Override
   public int compare(Time2 time1, Time2 time2) {
      int hourDifference = time1.getHour() - time2.getHour();
         
      if (hourDifference != 0) { // test the hour first
         return hourDifference; 
      }
         
      int minuteDifference = time1.getMinute() - time2.getMinute(); 
         
      if (minuteDifference != 0) { // then test the minute
         return minuteDifference;
      }
         
      int secondDifference = time1.getSecond() - time2.getSecond(); 
      return secondDifference; 
   } 
} 

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