public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setTitle("titolo");
        frame.setLayout(new FlowLayout());
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        ImageIcon imageIcon = new ImageIcon("percorso");
        JLabel label = new JLabel(imageIcon);

        frame.add(label);
        frame.pack();
        frame.setVisible(true);
    }