List Servlet Cookie Information : Cookie « Servlet « Java Tutorial

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Cookies extends HttpServlet {
  public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException,
      IOException {
    resp.setContentType("text/html");
    req.getSession();
    PrintWriter out = resp.getWriter();
    Cookie cookies[] = req.getCookies();
    out.println("<html>");
    out.println("<head>");
    out.println("<title>Servlet Cookie Information</title>");
    out.println("</head>");
    out.println("<body>");

    if ((cookies == null) || (cookies.length == 0)) {
      out.println("<center><h1>No Cookies found</h1>");
    } else {

      out.println("<center><h1>Cookies found</h1>");
      for (int i = 0; i < cookies.length; i++) {
        Cookie c = cookies[i];
        out.println(c.getName() + "::" + c.getValue() + "::"
            + c.getComment() + "::" + c.getMaxAge() + "<BR/>");
      }

      out.println("</table></center>");
    }
    out.println("</body>");
    out.println("</html>");
    out.flush();
  }
}

25.4.Cookie
	25.4.1.	Add Cookie Servlet
	25.4.2.	Get Cookies Servlet
	25.4.3.	Servlet Cookie Setter
	25.4.4.	Servlet Cookie Reader
	25.4.5.	Get/Set Cookie
	25.4.6.	List Servlet Cookie Information
	25.4.7.	Parse a Cookie: header into individual tokens according to RFC 2109.