import java.util.Comparator;

/* An instance of this class defines an ordering on states in the USa
** (as represented by objects of the StateInUSa class) according to 
** their names, using the standard ordering on Strings in Java.
**
** Author: R. McCloskey
** Date: April 2026
*/
public class CompareByName implements Comparator<StateInUSA> {

   /* According to whether the name of stateA is less than, equal to,
   ** or greater than, respectively, that of stateB (with respect to
   ** lexicographic ordering), returns either a negative number, zero,
   ** or a positive number, respectively.  Note that this ordering is
   ** consistent with String's compareTo() method.
   */
   public int compare(StateInUSA stateA, StateInUSA stateB) {
      return stateA.nameOf().compareTo(stateB.nameOf());
   }
}