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What are Cookies for ?

843842Sep 12 2010 — edited Sep 14 2010

Hi everyone,
I am doing java on my own and curretly am at Servlets. I have studies Cookies but some concepts are still unclear.
1. Why do we use a cookie ?
2. What kind of data we generally store ?
3. Why can we store only one value in the cookie ?
4. Can anyone directly retrieve the value from a cookie ?

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Locked on Oct 12 2010

Added on Sep 12 2010

#java-servlet

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