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Source Code for Request Parameter Example

import java.io.*;

import java.util.*;

import javax.servlet.*;

import javax.servlet.http.*;



public class RequestParamExample extends HttpServlet {



    public void doGet(HttpServletRequest request, HttpServletResponse response)

    throws IOException, ServletException

    {

        response.setContentType("text/html");

        PrintWriter out = response.getWriter();

        out.println("GET Request. No Form Data Posted");

    }



    public void doPost(HttpServletRequest request, HttpServletResponse res)

    throws IOException, ServletException

    {

        Enumeration e = request.getParameterNames();

	PrintWriter out = res.getWriter ();

        while (e.hasMoreElements()) {

            String name = (String)e.nextElement();

            String value = request.getParameter(name);

            out.println(name + " = " + value);

        }

    }

}