Answer Posted / tarak

In the state page u have to set the session
<% Session ses=request.getSession(true);%>
Then set an atribute for the session.
<% ses.setAttribute("attribute","valid session");%>

Session: <% =ses.getAttribute("attribute");%>

(It will display Session: valid session)

Before you close or logout invlidate the session and remove
attribute
<% ses.removeAttribute("attribute");
ses.invalidate();%>

Everytime at the start of page we can check for the value
of sesion attribute. If it is set, then the session will be
valid. Otherwise invalid session.

Mention some important jsp action tags.

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