> Can two JSP pages chat ?
Yes. As previous poster said, AJAX can be used to do it.
>
> Do we have to use server client concept.
Yes. AJAX uses JavaScript to make a bunch of small requests to the server which can be used to send and retrieve information for the chat.
> Or we have to use tomcat to work as......?
... as what? A server? Yes.
>
> Please give me some good answer if possible.
>
> thanks
> Vijendra