Getting cookie in servlet

Question

I\'m trying to get cookie in servlet using

Cookie[] cookie = request.getCookies();

but cookie is always null.

Answer 1

SET COOKIE

  Cookie cookie = new Cookie("cookiename", "cookievalue");
  response.addCookie(cookie);

GET COOKIE

  Cookie[] cookies = request.getCookies();
  if(cookies != null) {
      for (int i = 0; i < cookies.length; i++) {
          cookie=cookies[i]
          String cookieName = cookie.getName();
          String cookieValue = cookie.getValue();
       }
   }