public class SplashDemo { private static final int SHOW_FOR = 3000; public SplashDemo() { new Splash("img/rot300x200.png", SHOW_FOR, this); JFrame frame = new JFrame("Splash-Demo"); frame.setVisible(false); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(500, 400); frame.setLocationRelativeTo(null); } public static void main(String[] args) { SwingUtilities.invokeLater(() -> new SplashDemo()); } }