public static ArrayList<Room> removeDuplicate(List<Room> room) {
Set<Room> set = new TreeSet<Room>(new Comparator<Room>() {
@Override
public int compare(Room o1, Room o2) {
//字符串,则按照asicc码升序排列
return o1.getId().compareTo(o2.getId());
}
});
set.addAll(room);
return new ArrayList<Room>(set);
}
