Why sessions in java

Not really sure why this was downvoted. Yeah, i know that. Thats what i asked in there. What will they do? Have you taken a look at the javadocs for those classes? HttpServletRequest: download. I cant able to understand there, thats why i asked the professionals stackoverflow , because, professionals can give practical view.

The story goes like this : User first logs onto website. The servlet container uses this to keep track of who is who.

Likewise, this is how it keeps track of the separation of data. Hopefully that at least partially answers your question. Yeah, you have answered for half of my question. What i have to do, to invalidate a session i.

I believe session. Please note the session object is not a singleton shared by all users - each user has their very own object! Now only i came to understand. Thanks for your answer. All: Every answer for my question, clears my doubt inch by inch. Thats why, i love stackOverflow. Thanks to All. Ath J says:. August 12, at am. Tanoj kumar sahu says:. September 14, at am. Archita says:. July 6, at am. June 13, at am. June 3, at pm.

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December 20, at am. If it does, the Sun Java System Web Server notifies the object under consideration, through the HttpSessionBindingListener interface, that it is being bound into or unbound from the session. Direct the session to invalidate itself automatically after being inactive for a defined time period.

Alternatively, invalidate the session manually with the HttpSession method invalidate. Session timeout is set using the session-timeout element in the web. For more information, see the Java Servlet 2. Sun Java System Web Server 6. For more information about getSession , see the Java Servlet 2. Examining Session Properties Once a session ID has been established, use the methods in the HttpSession interface to examine session properties, and the methods in the HttpServletRequest interface to examine request properties that relate to the session.

For example: if request. Binding Notification with HttpSessionBindingListener Some objects require you to know when they are placed in or removed from a session. Invalidating a Session Direct the session to invalidate itself automatically after being inactive for a defined time period.

Invalidating a Session Manually To invalidate a session manually, simply call the following method: session. Data Structures. Operating System. Computer Network. Compiler Design. Computer Organization. Discrete Mathematics.

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