Receiving Inputs from Confirmation Dialog Boxes

This section provides a tutorial example on how to use the static method, showConfirmDialog(), to create and display confirmation dialog boxes and receive input code to know which button was clicked by the user.

In the previous tutorial example, when users click the one of the option buttons like Ok, Yes, No or Cancel on confirmation dialog boxes, the showConfirmDialog() method will actually returns an integer code representing the clicked button. Valid type codes are predefined as constants in the JOptionPane class:

Here is an example program I wrote to test the returned integer code of showConfirmDialog():

 * Copyright (c) 2014,, All Rights Reserved.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
public class JOptionPaneConfirmDialogInput implements ActionListener {
   JFrame myFrame = null;
   public static void main(String[] a) {
      (new JOptionPaneConfirmDialogInput()).test();
   private void test() {
      myFrame = new JFrame("showConfirmDialog() Input Test");
      Container myPane = myFrame.getContentPane();
      JButton myButton = new JButton("Show");
   public void actionPerformed(ActionEvent e) {
      int messageType = JOptionPane.INFORMATION_MESSAGE;
      int optionType = JOptionPane.YES_NO_CANCEL_OPTION;
      int code = JOptionPane.showConfirmDialog(myFrame, 
         "Do you want to continue?", 
         "Confirmation Dialog Box", optionType, messageType);

      String answer = "Unknown";
      if (code == JOptionPane.OK_OPTION) {
         answer = "Ok";
      } else if (code == JOptionPane.YES_OPTION) {
         answer = "Yes";
      } else if (code == JOptionPane.NO_OPTION) {
         answer = "No";
      } else if (code == JOptionPane.CANCEL_OPTION) {
         answer = "Cancel";
      } else if (code == JOptionPane.CLOSED_OPTION) {
         answer = "Closed";
      System.out.println("Answer: "+answer);

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

Click the Yes button on the confirmation dialog box. Click the Show button on the main frame window, then the No button on the confirmation dialog box again. Repeat the test with the Cancel button and the close dialog box icon. You will see some messages printed on the Java console window:

Answer: Ok
Answer: No
Answer: Cancel
Answer: Closed

Interesting notes about this tutorial example:

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