zeemar's web space

Swing JButton with no border:

Insets noInsets=new Insets(0,0,0,0);
// store the icon you want to display in imageIcon
JButton blinkButton = new JButton(YOUR-ICON);
blinkButton.setMargin(noInsets);
blinkButton.setBorder(BorderFactory.createEmptyBorder());
blinkButton.setContentAreaFilled(false);

Credit to: www.swingwiki.org