import java.io.*; import java.util.Enumeration; import javax.servlet.*; import javax.servlet.http.*; public class ShowParameters extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); String docType = "\n"; String title = "Reading All Request Parameters"; out.println(docType + "\n" + ""+title + "\n"+ "\n" + "

" + title + "

\n" + "\n" + "\n" + "
Parameter NameParameter Value(s)"); Enumeration paramNames = request.getParameterNames(); while(paramNames.hasMoreElements()) { String paramName = (String)paramNames.nextElement(); out.print("
" + paramName + "\n"); String[] paramValues = request.getParameterValues(paramName); if (paramValues.length == 1) { String paramValue = paramValues[0]; if (paramValue.length() == 0) out.println("No Value"); else out.println(paramValue); } else { out.println("
    "); for(int i=0; i" + paramValues[i]); } out.println("
"); } } out.println("
\n"); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }