what is use of sessions & cookies in servlets?
From stackoverflow
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Session store items between HTTP requests.
Cookies are used to keep track of sessions by making the browser hold and return a unique ID (the cookie) that is used to recall the stored session on the next HTTP request.
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A brief read http://www.apl.jhu.edu/~hall/java/Servlet-Tutorial/Servlet-Tutorial-Session-Tracking.html
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