Source for java.lang.Void

   1: /* Void.class - defines void.class
   2:    Copyright (C) 1998, 1999, 2001, 2002, 2004 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package java.lang;
  39: 
  40: 
  41: /**
  42:  * Void is a placeholder class so that the variable <code>Void.TYPE</code>
  43:  * (also available as <code>void.class</code>) can be supported for
  44:  * reflection return types.
  45:  *
  46:  * <p>This class could be Serializable, but that is up to Sun.</p>
  47:  *
  48:  * @author Paul Fisher
  49:  * @author John Keiser
  50:  * @author Eric Blake (ebb9@email.byu.edu)
  51:  * @since 1.1
  52:  * @status updated to 1.5
  53:  */
  54: public final class Void
  55: {
  56:   /**
  57:    * The return type <code>void</code> is represented by this
  58:    * <code>Class</code> object.
  59:    */
  60:   public static final Class<Void> TYPE = (Class<Void>) VMClassLoader.getPrimitiveClass('V');
  61: 
  62:   /**
  63:    * Void is non-instantiable.
  64:    */
  65:   private Void()
  66:   {
  67:   }
  68: }