How to Create popup in Jtable?

I need to create a popup in a Jtable, when the mouse is clicked on a cell in a jtable, a popup needs to be displayed.  I am unfamilar with creating a popup.
DanFlyBoyAsked:
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zzynxSoftware engineerCommented:
You can use JOptionPane.showMessageDialog()
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zzynxSoftware engineerCommented:
Different examples at http://java.sun.com/docs/books/tutorial/uiswing/components/dialog.html

But
 
     JOptionPane.showMessageDialog(new JFrame(), "Hello world!");

just works
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zzynxSoftware engineerCommented:
>> when the mouse is clicked on a cell in a jtable, a popup needs to be displayed

Try this:

yourTable.addMouseListener( new MouseAdapter() {
 
     public void mouseClicked(MouseEvent e) {

         int col = yourTable.columnAtPoint(e.getPoint());
         int row = yourTable.rowAtPoint(e.getPoint());
         if (col!=-1 && row!=-1)
             JOptionPane.showMessageDialog(new JFrame(),
              "You just clicked on cell [" + row + ", " + col + "]");
     }

});
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zzynxSoftware engineerCommented:
:)
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