Focus should remains in the last column .

Hi,
I am using JTable with single row and few columns. When I navigate (tab) from last column it returns to the first column but my requirement is it should remain in the last column itself.
Thanks in advance.
Thanks and Regards,
Shiva

Okay, that makes sense. However, I modified my code to actually move the lead, and it still didn't work. Curious, I added a pop up window to the code, and I found out that it doesn't get called. The tab key still doesn't do anything. I miss KeyListeners already :(
Can you spot anything wrong with how I'm doing this?
InputMap im = _table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
KeyStroke tabKey = KeyStroke.getKeyStroke(KeyEvent.VK_TAB, 0);
Action tabAction = new AbstractAction(){
               public void actionPerformed(ActionEvent e){
                    int leadColumn = _table.getColumnModel().getSelectionModel().getLeadSelectionIndex();
                    leadColumn ++;
                    if(leadColumn > 4){
                         leadColumn = 4;;
                    _table.getColumnModel().getSelectionModel().setLeadSelectionIndex(leadColumn);
                    JOptionPane.showMessageDialog(null, "L: " + leadColumn); //this doesn't happen either
im.put(tabKey, tabAction);

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Okay, that makes sense. However, I modified my code to actually move the lead, and it still didn't work. Curious, I added a pop up window to the code, and I found out that it doesn't get called. The tab key still doesn't do anything. I miss KeyListeners already :(
Can you spot anything wrong with how I'm doing this?
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