How to notify an object in session when session is invalidated or timed-out?
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What are the features added in Servlet 2.5?
Can you refresh servlet in client and server-side automatically?
When the methods init() and Distroy() will be called?
If some new data has entered the database, explain how can a servlet refresh automatically?
What is servlet lazy loading?
Which is better approach among four(HttpSession,cookie,URL Rewriting, Hidden Fields) Session Tracking technic's ? Why ?
Why session tracking is needed?
How can we refresh automatically when new data has entered the database?
Define declaration.
Explain web container.
without session Id can we do any operations like add,update,edit,delete. I saw Session id is loaded for edit and delete action not for add .so am asking this
Whether we can get deadlock situation in servlets?