/** RoomComparator.java - comparator for Room class.
 *  Just use the name attribute, which is already a string, so
 *  we simply use the String compareTo.
 *  I wanted to make it generic so I wouldn't have to cast,
 *  but couldn't get it to compile.
 */
import java.util.*;

public class RoomComparator implements Comparator
{
  public int compare(Object o1, Object o2)
  {
    Room r1 = (Room) o1;
    Room r2 = (Room) o2;
    String name1 = ((Room) r1).getName();
    String name2 = ((Room) r2).getName();
    return name1.compareTo(name2);
  }
}