Maps


1   package it.unimi.dsi.fastutil;
2   
3   /*       
4    * fastutil: Fast & compact type-specific collections for Java
5    *
6    * Copyright (C) 2003, 2004, 2005, 2006 Sebastiano Vigna 
7    *
8    *  This library is free software; you can redistribute it and/or
9    *  modify it under the terms of the GNU Lesser General Public
10   *  License as published by the Free Software Foundation; either
11   *  version 2.1 of the License, or (at your option) any later version.
12   *
13   *  This library is distributed in the hope that it will be useful,
14   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
15   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16   *  Lesser General Public License for more details.
17   *
18   *  You should have received a copy of the GNU Lesser General Public
19   *  License along with this library; if not, write to the Free Software
20   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21   *
22   */
23  
24  /** A class providing static methods and objects that do useful things with maps.
25   *
26   * @see java.util.Collections
27   */
28  
29  public class Maps {
30  
31      private Maps() {}
32  
33      /** A standard default return value to be used in maps contaning <code>null</code> values.
34       * @deprecated Since fastutil 5.0, the introduction of generics
35       * makes this object pretty useless.
36       */
37  
38      @Deprecated  
39      public static final Object   MISSING = new Object  ();
40  }
41

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