1 /*2 * Javolution - Java(TM) Solution for Real-Time and Embedded Systems3 * Copyright (C) 2005 - Javolution (http://javolution.org/)4 * All rights reserved.5 * 6 * Permission to use, copy, modify, and distribute this software is7 * freely granted, provided that this notice is preserved.8 */9 package j2me.util;10 11 public interface SortedMap extends Map {12 Comparator comparator();13 14 SortedMap subMap(Object fromKey, Object toKey);15 16 SortedMap headMap(Object toKey);17 18 SortedMap tailMap(Object fromKey);19 20 Object firstKey();21 22 Object lastKey();23 }