01: import javax.swing.JOptionPane;
02: 
03: public class InputTest
04: {
05:    public static void main(String[] args)
06:    {
07:       String input = JOptionPane.showInputDialog("How old are you?");
08:       if (input != null)
09:       {
10:          int age = Integer.parseInt(input);
11:          age++;
12:          System.out.println("Next year, you'll be " + age);
13:       }
14:       System.exit(0);
15:    }
16: }