1  /** This application program displays Welcome to Java!
  2   *  in a message dialog box. 
  3   */
  4  import javax.swing.JOptionPane;
  5  
  6  public class WelcomeInMessageDialogBox { 
  7    public static void main(String[] args) { 
  8      // Display Welcome to Java! in a message dialog box
  9      JOptionPane.showMessageDialog(null, "Welcome to Java!");
 10    }
 11  }