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get a session object - JSP-Servlet
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Session   why do we need session? actually what stored in a session... and user would not able to retrieve the information. So, Session provides that facility to store information on server memory. 2)Variables are stored in session 

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the attribute value that is set using setAttribute() method within this session... of its Servlet. Session specifies the single interactive user. An implicit... the user is active or inactive within the created session. Using the session 

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time-out value for session variable is 20 minutes, which can be changed as per...? Answer: Sessions tracking using Cookies are more secure and fast. Session tracking using Cookies can also be used with other mechanism of Session Tracking like url 

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