import java.io.IOException; import java.io.PrintWriter; import java.util.Enumeration; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class GetParameterNamesTest extends HttpServlet { public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException { response.setContentType("text/html; charset=Windows-31J"); PrintWriter out = response.getWriter(); out.println(""); request.setCharacterEncoding("Windows-31J"); Enumeration params = (Enumeration)request.getParameterNames(); out.println(""); out.println(""); while(params.hasMoreElements()) { String name = params.nextElement(); String value = request.getParameter(name); out.printf("%n", name, value); } out.println("

Name	Value
%s	%s

"); out.println(""); out.close(); } }