Source of Question40.java

Structures and functions

public class Question40

  1: import javax.swing.JOptionPane;
  2: public class Question40
  3: {
  4:     public static void main(String[] args)
  5:     {
  6:         String numberString = JOptionPane.showInputDialog(
  7:                               "Enter a whole number:");
  8:         JOptionPane.showMessageDialog(null, "The number is " +
  9:                                       numberString);
 10:         System.exit(0);
 11:     }
 12: }