How to change the focus when we are adding duplicate rows in JTable.
say I created table with 3 columns like

Name age state
---- ---- ------
Robert 20 UT
Jenifer 30 NY


If again add 2 more rows one of which is duplicate (similar to line 1)

Name age state
---- ---- ------
Robert 20 UT
Jenifer 30 NY
*Robert 20 UT
*Michel 25 FL

In above case when I want to save table data the focus should be on line 3
(with some high lighted color).Just to indicate that it is duplicate row.

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