import java.io.*; import javax.servlet.*; import javax.serlet.http.*; public class Parameters extends HttpServlet { public void doGet (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/html"); PrintWriter out = res.getWriter(); out.println(""); out.println("

Parameter:

"); if (req.getParameter("name") != null) { out.println("Name: " + req.getParameter("name") + "
"); } if (req.getParameterValues("hobby") != null) { String[] hobbies = req.getParameterValues("hobby"); for (int i = 0; i < hobbies.length; i++) { out.println("Hobby: "+hobbies[i]+"
"); } } out.println(""); } public void doPost (HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { doGet(req, res); } }