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<title>Untitled Document</title>
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<p><font color="#0000FF"><a href="servlet/RequestParamExample"><img src="images/execute.gif" align="right" border="0"></a><a href="index.html"><img src="images/return.gif" width="24" height="24" align="right" border="0"></a></font></p>
<h3>Source Code for Request Parameter Example<font color="#0000FF"><br>
  </font> </h3>
<font color="#0000FF"></font>
<pre><font color="#0000FF">import</font> java.io.*;
<font color="#0000FF">import</font> java.util.*;
<font color="#0000FF">import</font> javax.servlet.*;
<font color="#0000FF">import</font> javax.servlet.http.*;

<font color="#0000FF">public class</font> RequestParamExample <font color="#0000FF">extends</font> HttpServlet {

    <font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response)
    <font color="#0000FF">throws</font> IOException, ServletException
    {
        response.setContentType(&quot;<font color="#009900">text/html</font>&quot;);
        PrintWriter out = response.getWriter();
        out.println(&quot;<font color="#009900">&lt;html&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;head&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;title&gt;Request Parameters Example&lt;/title&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;/head&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;body&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;h3&gt;Request Parameters Example&lt;/h3&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">Parameters in this request:&lt;br&gt;</font>&quot;);

        String firstName = request.getParameter("firstname");
        String lastName = request.getParameter("lastname");

        if (firstName != null || lastName != null) {
            out.println(&quot;<font color="#009900">First Name:</font>&quot;);
            out.println(&quot;<font color="#009900"> = </font>&quot; + HTMLFilter.filter(firstName) + &quot;<font color="#009900">&lt;br&gt;</font>&quot;);
            out.println(&quot;<font color="#009900">Last Name:</font>&quot;);
            out.println(&quot;<font color="#009900"> = </font>&quot; + HTMLFilter.filter(lastName));
        } else {
            out.println(&quot;<font color="#009900">No Parameters, Please enter some</font>&quot;);
        }
        out.println(&quot;<font color="#009900">&lt;P&gt;</font>&quot;);
        out.print(&quot;<font color="#009900">&lt;form action=\"</font>&quot;);
        out.print(&quot;<font color="#009900">RequestParamExample\" </font>&quot;);
        out.println(&quot;<font color="#009900">method=POST&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">First Name:</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;input type=text size=20 name=firstname&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;br&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">Last Name:</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;input type=text size=20 name=lastname&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;br&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;input type=submit&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;/form&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;/body&gt;</font>&quot;);
        out.println(&quot;<font color="#009900">&lt;/html&gt;</font>&quot;);
    }

    <font color="#0000FF">public void</font> doPost(HttpServletRequest request, HttpServletResponse res)
    <font color="#0000FF">throws</font> IOException, ServletException
    {
        doGet(request, response);
    }
}</pre>
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