import javax.swing.JOptionPane;public class messb
{
public static void main(String args[])
{
JOptionPane.showMessageDialog(
null,"hello 我是森重宽 bye !!");
System.exit(0);
}}
{
public static void main(String args[])
{
JOptionPane.showMessageDialog(
null,"hello 我是森重宽 bye !!");
System.exit(0);
}}
(JAVA HOW TO PROGRAM 4/E)