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Java > Open Source Codes > org > apache > commons > collections > primitives > ShortIterator


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */

17 package org.apache.commons.collections.primitives;
18
19 /**
20  * An iterator over <code>short</code> values.
21  *
22  * @see org.apache.commons.collections.primitives.adapters.ShortIteratorIterator
23  * @see org.apache.commons.collections.primitives.adapters.IteratorShortIterator
24  *
25  * @since Commons Primitives 1.0
26  * @version $Revision: 480460 $ $Date: 2006-11-29 00:14:21 -0800 (Wed, 29 Nov 2006) $
27  *
28  * @author Rodney Waldhoff
29  */

30 public interface ShortIterator {
31     /**
32      * Returns <code>true</code> iff I have more elements.
33      * (In other words, returns <code>true</code> iff
34      * a subsequent call to {@link #next next} will return
35      * an element rather than throwing an exception.)
36      *
37      * @return <code>true</code> iff I have more elements
38      */

39     boolean hasNext();
40     
41     /**
42      * Returns the next element in me.
43      *
44      * @return the next element in me
45      * @throws java.util.NoSuchElementException if there is no next element
46      */

47     short next();
48     
49     /**
50      * Removes from my underlying collection the last
51      * element {@link #next returned} by me
52      * (optional operation).
53      *
54      * @throws UnsupportedOperationException if this operation is not supported
55      * @throws IllegalStateException if {@link #next} has not yet been
56      * called, or {@link #remove} has already been called since
57      * the last call to {@link #next}.
58      */

59     void remove();
60 }
61
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