How are cookies passed in the HTTP protocol?

Question

How are cookies passed in the HTTP protocol?

Answer 1

Cookies are passed as HTTP headers, both in the request (client -> server), and in the response (server -> client).

Answer 2

The server sends a

Set-Cookie: name=value

in its response header to set the field. If there is a cookie set then the browser sends a

Cookie: name=value

in its request header. See wikipedia

Answer 3

Cookies are passed in ResponseHeader of HttpServletResponse object by server. Read this for more details in context of Java Servlets.