Java tutorial
import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.*; public class MyServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setContentType("text/plain"); PrintWriter out = res.getWriter(); out.println("Query String:"); out.println(req.getQueryString()); out.println(); out.println("Request Parameters:"); Enumeration e = req.getParameterNames(); while (e.hasMoreElements()) { String name = (String) e.nextElement(); String values[] = req.getParameterValues(name); if (values != null) { for (int i = 0; i < values.length; i++) { out.println(name + " (" + i + "): " + values[i]); } } } } }