Java全螢幕顯示

讓JFrame去除標題列
frame.setUndecorated(true);
主要有兩種方式可實現全螢幕顯示

Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Rectangle bounds = new Rectangle(screenSize);
frame.setBounds(bounds); 

frame.getGraphicsConfiguration().getDevice().setFullScreenWindow(f);