getCreationTime() //returns the time the session was first created
getLastAccessedTime() //returns the last time the container got a request with this session ID
setMaxInactiveInterval() //specifies the maximum time,in seconds,that you want to allow between client requests for this session.
getMaxInactiveInterval() //returns the maximum time,in seconds,that you want to allow between client requests for this session.
invalidate() //ends the session.This includes unbinding all session attributes currently stored in this session.
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