showInternal*Dialog() - Displaying Internal Dialog Boxes

This section provides a tutorial example on how to use the static methods, showInternal*Dialog(), to create and display internal dialog boxes inside an parent container.

Dialog boxes can also be created and displayed in side a panel. To do this, you need to call the "Internal" version of show*Dialog() methods:

Note that you can not use a JFrame object directly as the "parent" for internal dialog boxes. If you do, you will get a runtime exception like this:

Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: 
JOptionPane: parentComponent does not have a valid parent
   at javax.swing.JOptionPane.createInternalFrame(

The "parent" input parameter should be the content pane, or other containers.

Here is an example program I wrote to test the showInternalOptionDialog() method:

 * Copyright (c) 2014,, All Rights Reserved.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class JOptionPaneInternalOptionDialog 
   implements ActionListener {
   JFrame myFrame = null;
   public static void main(String[] a) {
      (new JOptionPaneInternalOptionDialog()).test();
   private void test() {
      myFrame = new JFrame("showInternalOptionDialog() Test");
      Container myPane = myFrame.getContentPane();
      JButton myButton = new JButton("Show");
   public void actionPerformed(ActionEvent e) {
      int messageType = JOptionPane.QUESTION_MESSAGE;
      String[] options = {"Java", "C++", "VB", "PHP", "Perl"};
      int code = JOptionPane.showInternalOptionDialog(
         "What language do you prefer?", 
         "Option Dialog Box", 0, messageType, 
         null, options, "PHP");
      System.out.println("Answer: "+code);

If you run this example, and click the Show button, you will see an input dialog box showing up like this:
Congirmation Dialog Box Input

Sample programs listed in this section have been tested with JDK 1.6.0 to 1.8.0.

Last update: 2014.

Table of Contents

 About This Book

 Introduction of Java Swing Package

 Graphics Environment of the Local System

 JFrame - Main Frame Class

 JLabel - Swing Label Class

 JButton - Swing Button Class

 JRadioButton - Swing Radio Button Class

 JTextField - Swing Text Field Class

 Menu Bar, Menus, Menu Items and Listeners

 Creating Internal Frames inside the Main Frame

 Layout of Components in a Container

 LookAndFeel and UIManager

Option Dialog Boxes

 javax.swing.JOptionPane - Creating and Displaying Option Dialog Boxes

 showMessageDialog() - Displaying Message Dialog Boxes

 showConfirmDialog() - Displaying Confirmation Dialog Boxes

 Receiving Inputs from Confirmation Dialog Boxes

 showInputDialog() - Displaying Input Dialog Boxes

 showOptionDialog() - Displaying Option Dialog Boxes

showInternal*Dialog() - Displaying Internal Dialog Boxes

 createDialog() - Creating Dialog Boxes Directly

 JEditorPane - The Editor Pane Class

 SwingWorker - The Background Task Worker


 PDF Printing Version