About Session Expires in jsp

How to check whether the session expires or not in jsp. if anybody know please answer my question.
[105 byte] By [sureshrajassa] at [2007-11-26 12:43:07]
# 1
Can you give more information about your scenario?Usually you would have set information on the server / application about when sessions expire...Look at some tutorials on sessions also.
PS_csa at 2007-7-7 16:18:38 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...
# 2
thanks for replying me...i want to check wether the session is expires or not. when i simply let my application as it is for half an hour the session has expired at that time the login has to expire this is my scenario
sureshrajassa at 2007-7-7 16:18:38 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...
# 3
session expiry can be set on web.xmlchecking can be done like this:if(session.isNew())
jgalacambraa at 2007-7-7 16:18:38 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...