/* * Swing version. */import java.awt.*;import java.awt.event.*;import javax.swing.*;public class GridWindow extends JFrame {    boolean inAnApplet = true;    public GridWindow() {        Container contentPane = getContentPane();        contentPane.setLayout(new GridLayout(0,2));           contentPane.add(new JButton("Button 1"));        contentPane.add(new JButton("2"));        contentPane.add(new JButton("Button 3"));        contentPane.add(new JButton("Long-Named Button 4"));        contentPane.add(new JButton("Button 5"));        addWindowListener(new WindowAdapter() {            public void windowClosing(WindowEvent e) {                if (inAnApplet) {                    dispose();                } else {                    System.exit(0);                }            }        });    }    public static void main(String args[]) {        GridWindow window = new GridWindow();        window.inAnApplet = false;        window.setTitle("GridLayout");        window.pack();        window.setVisible(true);    }}