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 Licensed to the Apache Software Foundation (ASF) under one or more
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  contributor license agreements.  See the NOTICE file distributed with
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  The ASF licenses this file to You under the Apache License, Version 2.0
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  the License.  You may obtain a copy of the License at
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      http://www.apache.org/licenses/LICENSE-2.0
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  Unless required by applicable law or agreed to in writing, software
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<!DOCTYPE html><html lang="en">
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<head>
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   <meta charset="UTF-8" />
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   <title>Servlet Examples</title>
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   <style type="text/css">
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   img { border: 0; }
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   th { text-align: left; }
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   tr { vertical-align: top; }
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   </style>
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</head>
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<body>
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<h1>Servlet
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Examples with Code</h1>
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<p>This is a collection of examples which demonstrate some of the more
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frequently used parts of the Servlet API. Familiarity with the Java(tm)
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Programming Language is assumed.
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<p>These examples will only work when viewed via an http URL. They will
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not work if you are viewing these pages via a "file://..." URL. Please
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refer to the <i>README</i> file provide with this Tomcat release regarding
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how to configure and start the provided web server.
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<p>Wherever you see a form, enter some data and see how the servlet reacts.
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When playing with the Cookie and Session Examples, jump back to the Headers
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Example to see exactly what your browser is sending the server.
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<p>To navigate your way through the examples, the following icons will
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help:</p>
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<ul style="list-style-type: none; padding-left: 0;">
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<li><img src="images/execute.gif" alt=""> Execute the example</li>
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<li><img src="images/code.gif" alt=""> Look at the source code for the example</li>
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<li><img src="images/return.gif" alt=""> Return to this screen</li>
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</ul>
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<p>Tip: To see the cookie interactions with your browser, try turning on
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the "notify when setting a cookie" option in your browser preferences.
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This will let you see when a session is created and give some feedback
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when looking at the cookie demo.</p>
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<table style="width: 85%;" >
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<tr>
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<td>Hello World</td>
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<td style="width: 30%;"><a href="servlet/HelloWorldExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/HelloWorldExample">Execute</a></td>
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<td style="width: 30%;"><a href="helloworld.html"><img SRC="images/code.gif" alt=""></a><a href="helloworld.html">Source</a></td>
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</tr>
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<tr>
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<td>Request Info</td>
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<td style="width: 30%;"><a href="servlet/RequestInfoExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/RequestInfoExample">Execute</a></td>
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<td style="width: 30%;"><a href="reqinfo.html"><img SRC="images/code.gif" alt=""></a><a href="reqinfo.html">Source</a></td>
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</tr>
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<tr>
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<td>Request Headers</td>
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<td style="width: 30%;"><a href="servlet/RequestHeaderExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/RequestHeaderExample">Execute</a></td>
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<td style="width: 30%;"><a href="reqheaders.html"><img SRC="images/code.gif" alt=""></a><a href="reqheaders.html">Source</a></td>
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</tr>
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<tr>
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<td>Request Parameters</td>
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<td style="width: 30%;"><a href="servlet/RequestParamExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/RequestParamExample">Execute</a></td>
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<td style="width: 30%;"><a href="reqparams.html"><img SRC="images/code.gif" alt=""></a><a href="reqparams.html">Source</a></td>
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</tr>
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<tr>
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<td>Cookies</td>
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<td style="width: 30%;"><a href="servlet/CookieExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/CookieExample">Execute</a></td>
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<td style="width: 30%;"><a href="cookies.html"><img SRC="images/code.gif" alt=""></a><a href="cookies.html">Source</a></td>
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</tr>
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<tr>
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<td>Sessions</td>
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<td style="width: 30%;"><a href="servlet/SessionExample"><img SRC="images/execute.gif" alt=""></a><a href="servlet/SessionExample">Execute</a></td>
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<td style="width: 30%;"><a href="sessions.html"><img SRC="images/code.gif" alt=""></a><a href="sessions.html">Source</a></td>
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</tr>
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</table>
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<p>Note: The source code for these examples does not contain all of the
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source code that is actually in the example, only the important sections
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of code. Code not important to understand the example has been removed
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for clarity.</p>
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<h2>Other Examples</h2>
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<table style="width: 85%;" >
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<tr>
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  <th colspan="3">Servlet 3.0 Asynchronous processing examples:</th>
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</tr>
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<tr>
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  <td>async0</td>
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  <td style="width: 30%;">
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    <a href="../async/async0"><img SRC="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <td>async1</td>
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  <td style="width: 30%;">
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    <a href="../async/async1"><img SRC="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <td>async2</td>
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  <td style="width: 30%;">
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    <a href="../async/async2"><img SRC="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <td>async3</td>
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  <td style="width: 30%;">
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    <a href="../async/async3"><img SRC="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <td>stockticker</td>
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  <td style="width: 30%;">
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    <a href="../async/stockticker"><img SRC="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <th colspan="3">Servlet 3.1 Non-blocking IO examples</th>
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</tr>
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<tr>
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  <td>Byte counter</td>
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  <td style="width: 30%;">
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    <a href="nonblocking/bytecounter.html"><img src="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <td>Number Writer</td>
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  <td style="width: 30%;">
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    <a href="nonblocking/numberwriter"><img src="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <th colspan="3">Servlet 4.0 Server Push examples</th>
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</tr>
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<tr>
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  <td>Simple image push</td>
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  <td style="width: 30%;">
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    <a href="serverpush/simpleimage"><img src="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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<tr>
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  <th colspan="3">Servlet 4.0 Trailer Field examples</th>
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</tr>
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<tr>
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  <td>Response trailer fields</td>
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  <td style="width: 30%;">
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    <a href="trailers/response"><img src="images/execute.gif" alt=""> Execute</a>
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  </td>
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  <td style="width: 30%;"></td>
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</tr>
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</table>
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</body>
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</html>