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Java > Open Source Codes > org > jgrapht > experimental > permutation > ArrayPermutationsIter


1 /* ==========================================
2  * JGraphT : a free Java graph-theory library
3  * ==========================================
4  *
5  * Project Info: http://jgrapht.sourceforge.net/
6  * Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
7  *
8  * (C) Copyright 2003-2006, by Barak Naveh and Contributors.
9  *
10  * This library is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU Lesser General Public License as published by
12  * the Free Software Foundation; either version 2.1 of the License, or
13  * (at your option) any later version.
14  *
15  * This library is distributed in the hope that it will be useful, but
16  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
18  * License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public License
21  * along with this library; if not, write to the Free Software Foundation,
22  * Inc.,
23  * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
24  */
25 /* -----------------
26  * ArrayPermutationsIter.java
27  * -----------------
28  * (C) Copyright 2005-2006, by Assaf Lehr and Contributors.
29  *
30  * Original Author: Assaf Lehr
31  * Contributor(s): -
32  *
33  * $Id: ArrayPermutationsIter.java 485 2006-06-26 09:12:14Z perfecthash $
34  *
35  * Changes
36  * -------
37  */
38 package org.jgrapht.experimental.permutation;
39
40 /**
41  * An interface to iterate over array permutations. Similiar to Iterator, but
42  * with specific return types and without the remove() method.
43  *
44  * @author Assaf
45  * @since Jul 29, 2005
46  */
47 public interface ArrayPermutationsIter
48 {
49
50     //~ Methods ---------------------------------------------------------------
51
52     public int [] nextPermutation();
53
54     public boolean hasNextPermutaions();
55 }
56
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