01: /*
02: * Copyright 2007 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package java.util;
17:
18: /**
19: * A map with ordering. <a
20: * href="http://java.sun.com/j2se/1.5.0/docs/api/java/util/SortedMap.html">[Sun
21: * docs]</a>
22: *
23: * @param <K> key type.
24: * @param <V> value type.
25: */
26: public interface SortedMap<K, V> extends Map<K, V> {
27:
28: public Comparator<? super K> comparator();
29:
30: public K firstKey();
31:
32: public SortedMap<K, V> headMap(K toKey);
33:
34: public K lastKey();
35:
36: public SortedMap<K, V> subMap(K fromKey, K toKey);
37:
38: public SortedMap<K, V> tailMap(K fromKey);
39: }
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