Listing 4. InputServlet

import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class InputServlet extends HttpServlet
{
        // doGet needs to overridden to handle empty data requests.
        public void doGet(HttpServletRequest request, HttpServletResponse response)
                        throws IOException, ServletException
        {
                PrintWriter out = response.getWriter();

                response.setContentType("text/html");

                out.println("");
                out.println("
No Data Parameters Passed
");
                out.println("");
        }

        // Since the parameter is being given with a POST,
        // we override the doPost method.
        public void doPost (HttpServletRequest request, HttpServletResponse response)
                throws IOException, ServletException
        {
                PrintWriter out = response.getWriter ();
                String  first, last;

                // Assumes that there are two input parameters
                // called "first" and "last"
                first = (String)request.getParameter ("first");
                last = (String)request.getParameter ("last");

                out.println ("");
                out.println ("Hello, your name is " + last + ", " + first + " " + last);
                out.println ("");
        }
}