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1   /*
2    * Copyright (c) 1995, 2013, 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.net;
27  
28  import java.io.IOException;
29  
30  /**
31   * Thrown to indicate that the IP address of a host could not be determined.
32   *
33   * @author  Jonathan Payne
34   * @since   JDK1.0
35   */
36  public
37  class UnknownHostException extends IOException {
38      private static final long serialVersionUID = -4639126076052875403L;
39  
40      /**
41       * Constructs a new {@code UnknownHostException} with the
42       * specified detail message.
43       *
44       * @param   host   the detail message.
45       */
46      public UnknownHostException(String host) {
47          super(host);
48      }
49  
50      /**
51       * Constructs a new {@code UnknownHostException} with no detail
52       * message.
53       */
54      public UnknownHostException() {
55      }
56  }