hello2.txt

java的一经典教程

// Prints greeting on the screen in 3 dialog boxes
import javax.swing.JOptionPane;

public class Hello2
{
	public static void main(String[] args)
	{
		JOptionPane.showMessageDialog(null, "Hello! ");
		JOptionPane.showMessageDialog(null,
			"How nice to see you! ");
		JOptionPane.showMessageDialog(null,
			"How are you? ");

		System.exit(0);
	}
}