I have some clarifications on Jtable. please go through the following..

Q1) when and How to use Valuechanged(ListSelectionEvent) & tablechanged(TableModelEvent) methods of Jtable. Pls expalin clearly , if possible give an example.

Q2) How to refresh an existing table with new Table model, pls brief discription...

Q3) How to use & where to use columnselectionChanged(ListSelectionEvent e) pls, give me a brief discription and possible give an example

Q4) How to tell To Table that TableModel Has Changed..

Tahnx

regards chandra