01: package it.unimi.dsi.fastutil;
02:
03: /*
04: * fastutil: Fast & compact type-specific collections for Java
05: *
06: * Copyright (C) 2003-2008 Sebastiano Vigna
07: *
08: * This library is free software; you can redistribute it and/or
09: * 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:
34: /** A standard default return value to be used in maps containing <code>null</code> values.
35: * @deprecated Since fastutil 5.0, the introduction of generics
36: * makes this object pretty useless.
37: */
38:
39: @Deprecated
40: public static final Object MISSING = new Object();
41: }
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