How to open dialog box in java

This Java tutorial will focus on how to open dialog box in Java. We will learn how to create show input dialog box. Then we will learn how to create show message dialog box and finally how to create confirm dialog box.

Create Dialog Box using JOptionPane in Java

using JOptionPane in java we can create the dialog box. The types of the Dialog box is three.

Show input dialog box
Show Message Dialog box
Confirm Dialog box

I know all of you are excited so let’s start

If you did not read the last post please be read first. In this last post, we have already discussed the Action Listener.
If we perform the operation after clicking the button we have must need of action listener.

Action Listener in Java

How to create Show Input Dialog box

JOptionPane.showInputDialog

The method of the java Dialog box is (JOptionPane.showInputDialog) by the help of this method we can create the dialog box for input.

input dialog box in Java

How to Create Show Message Dialog Box

JOptionPane.showMessageDialog

The method of the java Dialog box is (JOptionPane.showMessageDialog) by the help of this method we create the message dialog box.

message dialog box in Java

Confirm Dialog Box

JOptionPane.showConfirmDialog

The method of the java Dialog box is (JOptionPane.showConfirmDialog) by the help of this method we can create a dialog box for the confirmation.

confirm dialog box in Java

Code of Dialog Box

import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
class Dialog implements ActionListener
{
JFrame fr;
JButton b1,b2,b3;

Dialog()
{
fr=new JFrame();
fr.setLayout(null);
fr.setSize(600,600);

b1=new JButton("Message");
b1.setBounds(250,200,100,30);
fr.add(b1);
b2=new JButton("Sumbit");
b2.setBounds(250,250,100,30);
fr.add(b2);
b3=new JButton("Input");
b3=new JButton("Input");
b3.setBounds(250,300,100,30);
fr.add(b3);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
fr.setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
  if(e.getSource()==b1)
  {
  JOptionPane.showMessageDialog(fr,"This is message Dialog");
  }
  if(e.getSource()==b2)
  {
    int x=JOptionPane.showConfirmDialog(fr,"Swing is EXT of AWT","Query",JOptionPane.YES_NO_CANCEL_OPTION);
    if(x==JOptionPane.YES_OPTION)
      JOptionPane.showMessageDialog(fr,"Right Answer");
        if(x==JOptionPane.NO_OPTION)
    JOptionPane.showMessageDialog(fr,"WRONG Answer");	
      if(x==JOptionPane.CANCEL_OPTION)
      JOptionPane.showMessageDialog(fr,"Ans to dena Padega");
  }
  
  if(e.getSource()==b3)
  {
    String name=JOptionPane.showInputDialog(fr,"enter your name","ABCD");
    if(name!=null)
    JOptionPane.showMessageDialog(fr,"Welcome"+name);
      else
    JOptionPane.showMessageDialog(fr,"Welcome Unknown");
  }
}

  
  

public static void main(String s[])
{
new Dialog();
}
}

In this code, we have created 3 dialog boxes.

Message Dialog Box
Confirm Dialog Box
Input Dialog Box.

The output for the program will be similar to the above screenshots already given.