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Java JOptionPane

The JOptionPane class is used to provide standard dialog boxes such as message dialog box, confirm dialog box and input dialog box. These dialog boxes are used to display information or get input from the user. The JOptionPane class inherits JComponent class.

JOptionPane class declaration

Common Constructors of JOptionPane class

Constructor	Description
JOptionPane()	It is used to create a JOptionPane with a test message.
JOptionPane(Object message)	It is used to create an instance of JOptionPane to display a message.
JOptionPane(Object message, int messageType	It is used to create an instance of JOptionPane to display a message with specified message type and default options.

Common Methods of JOptionPane class

Methods	Description
JDialog createDialog(String title)	It is used to create and return a new parentless JDialog with the specified title.
static void showMessageDialog(Component parentComponent, Object message)	It is used to create an information-message dialog titled "Message".
static void showMessageDialog(Component parentComponent, Object message, String title, int messageType)	It is used to create a message dialog with given title and messageType.
static int showConfirmDialog(Component parentComponent, Object message)	It is used to create a dialog with the options Yes, No and Cancel; with the title, Select an Option.
static String showInputDialog(Component parentComponent, Object message)	It is used to show a question-message dialog requesting input from the user parented to parentComponent.
void setInputValue(Object newValue)	It is used to set the input value that was selected or input by the user.

Java JOptionPane Example: showMessageDialog()

import javax.swing.*;
public class OptionPaneExample {
JFrame f;
OptionPaneExample(){
	f=new JFrame();
	JOptionPane.showMessageDialog(f,"Hello, Welcome to Javatpoint.");
}
public static void main(String[] args) {
	new OptionPaneExample();
}
}

Output:

Java JOptionPane Example: showMessageDialog()

import javax.swing.*;
public class OptionPaneExample {
JFrame f;
OptionPaneExample(){
	f=new JFrame();
	JOptionPane.showMessageDialog(f,"Successfully Updated.","Alert",JOptionPane.WARNING_MESSAGE);	
}
public static void main(String[] args) {
	new OptionPaneExample();
}
}

Output:

Java JOptionPane Example: showInputDialog()

import javax.swing.*;
public class OptionPaneExample {
JFrame f;
OptionPaneExample(){
	f=new JFrame();	
	String name=JOptionPane.showInputDialog(f,"Enter Name");	
}
public static void main(String[] args) {
	new OptionPaneExample();
}
}

Output:

Java JOptionPane Example: showConfirmDialog()

import javax.swing.*;
import java.awt.event.*;
public class OptionPaneExample extends WindowAdapter{
JFrame f;
OptionPaneExample(){
	f=new JFrame();	
	f.addWindowListener(this);
	f.setSize(300, 300);
	f.setLayout(null);
	f.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
	f.setVisible(true);
}
public void windowClosing(WindowEvent e) {
	int a=JOptionPane.showConfirmDialog(f,"Are you sure?");
if(a==JOptionPane.YES_OPTION){
	f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
public static void main(String[] args) {
	new  OptionPaneExample();
}	
}

Output:

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Java Tutorial

Control Statements

Java Object Class

Java Inheritance

Java Polymorphism

Java Abstraction

Java Encapsulation

Java Array

Java OOPs Misc

Java String

Java String Methods

Java Regex

Exception Handling

Java Inner Class

Java Multithreading

Java Synchronization

Java I/O

Java Serialization

Java Networking

Java AWT & Events

Java Swing

Java Swing Apps

LayoutManagers

JavaFX Tutorial

JavaFX 2D Shapes

JavaFX Text

JavaFX Effects

JavaFX Transformation

JavaFX Animation

JavaFX 3D Shapes

JavaFX Layouts

JavaFX UI

JavaFX Charts

JavaFX CSS

Media with JavaFX

JavaFX Event Handling

Java Applet

Java Reflection

Java 8 Date Time

Java Date (Classical)

Java Date Format

Current Date Time

Java Conversion

Java Collections

Java JDBC

Java New Features

Java 9 Features

Java 8 Features

Java 7 Features

Java 4/5 Features

RMI

Internationalization

Java JOptionPane

JOptionPane class declaration

Common Constructors of JOptionPane class

Common Methods of JOptionPane class

Java JOptionPane Example: showMessageDialog()

Java JOptionPane Example: showMessageDialog()

Java JOptionPane Example: showInputDialog()

Java JOptionPane Example: showConfirmDialog()

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