jdk/src/java.base/share/classes/java/lang/Void.java
changeset 25859 3317bb8137f4
parent 24865 09b1d992ca72
equal deleted inserted replaced
25858:836adbf7a2cd 25859:3317bb8137f4
       
     1 /*
       
     2  * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.  Oracle designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Oracle in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    22  * or visit www.oracle.com if you need additional information or have any
       
    23  * questions.
       
    24  */
       
    25 
       
    26 package java.lang;
       
    27 
       
    28 /**
       
    29  * The {@code Void} class is an uninstantiable placeholder class to hold a
       
    30  * reference to the {@code Class} object representing the Java keyword
       
    31  * void.
       
    32  *
       
    33  * @author  unascribed
       
    34  * @since   1.1
       
    35  */
       
    36 public final
       
    37 class Void {
       
    38 
       
    39     /**
       
    40      * The {@code Class} object representing the pseudo-type corresponding to
       
    41      * the keyword {@code void}.
       
    42      */
       
    43     @SuppressWarnings("unchecked")
       
    44     public static final Class<Void> TYPE = (Class<Void>) Class.getPrimitiveClass("void");
       
    45 
       
    46     /*
       
    47      * The Void class cannot be instantiated.
       
    48      */
       
    49     private Void() {}
       
    50 }