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request.getSession() will return the current session and if one does not exist, a new session will be cretaed.

request.getSession(true) will return the current session if one exists, if one...

In Swings, Consider a JTable. if we create a JTable we can drag and rearrange the columns , I want to disable this option of JTable. Can any one help. I dont know exactly whether his column moving is...

Hi Friend,
just try this..

http://java.sun.com/products/jsp/html/jspbasics.fm.html

you can learn the basics of JSP ..