JRemove default selection in JButton

Hi , I am creating a box which has few buttons in it. When I am executing it a weired recatangualr box is coming which denotes it's default selection. I want to remove it.Can some one please help me. Below is the snapshot of my code:

    JPanel buttons = new JPane开发者_如何学运维l();
     buttons.add(Box.createHorizontalGlue()); 
buttons.add(NCDEX);  
  buttons.add(Box.createHorizontalGlue()); buttons.add(MCX);

Attached screenshot for reference.I want to remvoe the recatngular box surrounding the button named NCDEX

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I believe that the rectangle is present when the button has focus. One possible solution is to call setFocusable(false) on all JButtons that you don't want to have this occur on.

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Did you try JButton.setDefaultCapable()