01: import javax.swing.*;
02: 
03: public class IconTest
04: {
05:    public static void main(String[] args)
06:    {
07:       JOptionPane.showMessageDialog(
08:          null, 
09:          "Hello, Mars!",
10:          "Message",
11:          JOptionPane.INFORMATION_MESSAGE,
12:          new MarsIcon(50));
13:       System.exit(0);
14:    }
15: }
16: