Box Container

public class EsempioBox extends JFrame {
        public static void main(String args[]) {
                Runnable runner =
                        new Runnable() {
                                public void run() {
                                        JFrame frame = new JFrame("Box");
                                        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                                        Box box = Box.createVerticalBox();
                                        frame.setContentPane(box);
                                        JLabel label1 = new JLabel("Label 1");
                                        JTextField textField1 = new JTextField();
                                        JLabel label2 = new JLabel("Label 2");
                                        JTextField textField2 = new JTextField();
                                        box.add(label1);
                                        box.add(textField1);
                                        box.add(label2);
                                        box.add(textField2);

                                        frame.setSize(300, 110);
                                        frame.setVisible(true);
                                }
                        };

                EventQueue.invokeLater(runner);
        }
}