How do you use JOptionPane showMessageDialog?

How do you use JOptionPane showMessageDialog?

Java JOptionPane Example: showMessageDialog()

1. import javax.swing.*;
2. public class OptionPaneExample {
3. JFrame f;
4. OptionPaneExample(){
5. f=new JFrame();
6. JOptionPane.showMessageDialog(f,”Hello, Welcome to Javatpoint.”);
7. }
8. public static void main(String[] args) {

What will happen if you use JOptionPane showMessageDialog statement in your program?

What will happen if you use JOptionPane. showMessageDialog statement in your program? -The program will display message dialog box.

What is GUI in Java?

In Java applications, the components that comprise a GUI (Graphical User Interface) are stored in containers called forms. The Java language provides a set of user interface components from which GUI forms can be built.

What is the use of showmessagedialog () method of joptionpane class?

This is a review of the showMessageDialog() method of JOptionPane Class. This method is a quick and easy way to tell the user about something that has happened . The showMessageDialog() can be called using the following combinations of parameters: Component, Object Component, Object, String, int Component, Object, String, int, Icon

What is the use of showmessagedialog?

This method is a quick and easy way to tell the user about something that has happened . The showMessageDialog()can be called using the following combinations of parameters: Component, Object Component, Object, String, int Component, Object, String, int, Icon

Where does the icon in the showmessagedialog method come from?

This icon comes from the addition of the INFORMATION_MESSAGE argument to the showMessageDialog method. I won’t repeat all that Java source code here, but if you repeat the exact same example, and replace the INFORMATION_MESSAGE type with an ERROR_MESSAGE type, like this:

How do I show a joptionpane dialog with a text message?

A simple JOptionPane example. Starting with a simple example, if you just want to show a JOptionPane dialog with a simple text message, all you need is one line of Java source code, like this: JOptionPane.showMessageDialog (frame, “A basic JOptionPane message dialog”); When this line of code is executed it will display the following message dialog: