JFrame frame = new JFrame("Transparent Window");
TransparentBackground bg = new TransparentBackground(frame);
bg.setLayout(new BorderLayout());
JButton button = new JButton("This is a button");
bg.add("North",button);
JLabel label = new JLabel("This is a label");
bg.add("South",label);
frame.getContentPane().add("Center",bg);
frame.pack();
frame.setSize(150,100);
frame.show();
