Simple servlet to print parameters and attributes, headers and cookies

public class MyServlet extends GenericServlet
{

   public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException
   {
      System.out.println("\n\n >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
      System.out.println(">>> alexey: MyServlet.service 1 = " + 1);

      HttpServletRequest hReq = (HttpServletRequest)req;
      HttpServletResponse hRes = (HttpServletResponse)res;

      printParsAndAttrs(hReq);
      printHeaders(hReq);
      printCookies(hReq);

   }

   private void printParsAndAttrs(ServletRequest req)
   {
      Enumeration parameterNames = req.getParameterNames();
      while (parameterNames.hasMoreElements())
      {
         String name = (String)parameterNames.nextElement();
         System.out.println(">>> alexey: MyServlet.logParsAndAttrs P name = " + name);
         System.out.println(">>> alexey: MyServlet.logParsAndAttrs        = " + req.getParameter(name));
      }
      Enumeration attributeNames = req.getAttributeNames();
      while (attributeNames.hasMoreElements())
      {
         String name = (String)attributeNames.nextElement();
         System.out.println(">>> alexey: MyServlet.logParsAndAttrs A name = " + name);
         System.out.println(">>> alexey: MyServlet.logParsAndAttrs        = " + req.getAttribute(name));
      }
   }

   private void printHeaders(HttpServletRequest hReq)
   {
      Enumeration headerNames = hReq.getHeaderNames();
      if (headerNames != null)
      {
         while (headerNames.hasMoreElements())
         {
            String name = (String)headerNames.nextElement();
            System.out.println(">>> alexey: MyServlet.printHeaders H name = " + name);
            System.out.println(">>> alexey: MyServlet.printHeaders        = " + hReq.getHeader(name));
         }
      }
   }

   private void printCookies(HttpServletRequest hReq)
   {
      Cookie[] cookies = hReq.getCookies();
      if (cookies != null)
      {
         for (Cookie cookie : cookies)
         {
            System.out.println(">>> alexey: MyServlet.printCookies C name = " + cookie.getName());
            System.out.println(">>> alexey: MyServlet.printCookies        = " + cookie.getValue());
         }
      }
   }

}