by Dinesh Thakur Category: Swing

showMessageDialog Displays a modal dialog with a button labeled "OK". It can be easily specify the message, icon, and title that will display the dialogue.

A message dialog box displays plain messages to the user and is created by using the static method showMessageDialog () of JOptionPane. The general form of showMessageDialog () method is:


public static void showMessageDialog(Component parent, Object message)




parent is the parent frame to which dialog box is attached


message is the message to be displayed

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
/*<APPLET CODE = JavaExampleDialogMessageInJApplet.class WIDTH = 370 HEIGHT = 300 ></APPLET>*/
public class JavaExampleDialogMessageInJApplet extends JApplet implements ActionListener
     JButton BtnInfo = new JButton("Show Information Dialog");
     JButton BtnErr = new JButton("Show Error Dialog");
     JButton BtnWarn = new JButton("Show Warning Dialog");
      JButton BtnQues = new JButton("Show Question Dialog");
     JButton BtnPln = new JButton("Show Plain Dialog");
     public void init()
         Container Cntnr = getContentPane();
         Cntnr.setLayout(new FlowLayout());
          public void actionPerformed(ActionEvent e1)
                String DlgTitle = "Alert Dialogs";
                String DlgMsg = "Hi from Java!";
                int DlgType = JOptionPane.PLAIN_MESSAGE;
                if(e1.getSource() == BtnInfo)
                 else if(e1.getSource() == BtnErr)
                                DlgType = JOptionPane.ERROR_MESSAGE;
                            else if(e1.getSource() == BtnWarn)
                                        DlgType = JOptionPane.WARNING_MESSAGE;
                                else if(e1.getSource() == BtnQues)
                                                    DlgType = JOptionPane.QUESTION_MESSAGE;
                                       else if(e1.getSource() == BtnPln)
                                                             DlgType = JOptionPane.PLAIN_MESSAGE;
                                                            JOptionPane.showMessageDialog((Component) null,DlgMsg,DlgTitle,DlgType);

showMessageDialog Java Swing Example

About Dinesh Thakur

Dinesh ThakurDinesh Thakur holds an B.C.A, MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.

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