1)what is the difference of session and cookie.
I know the cookie is stored at client-side,and the session in server-side.
But I wonder what is the realation ship of them?
Someone tell me that there are two ways to implement the session:the cookie and the url-rewrite. so I am confused....
I have read the answer in this question: what-is-the-difference-between-a-session-and-a-cookie
2)how about the life cycle of session.
When is it created? Does each http request will create a new session(su开发者_高级运维ppose the request.setSession(true))? When does the session closed? I know the session will be timeout when the browser is closed. But what is the exactly meaning of the session timeout?
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