Increase button size in JOptionPane - Java

Issue

I would like to increase the button size of a JOptionePane. The code for the JOptionPane of the button is:

         addWindowListener(new java.awt.event.WindowAdapter() {
            @Override
            public void windowClosing(java.awt.event.WindowEvent evt) {
                if (JOptionPane.showConfirmDialog(rootPane, "¿Desea salir de la aplicación?",
                        "Gestor de clientes", JOptionPane.ERROR_MESSAGE) == JOptionPane.ERROR_MESSAGE) {
                    dispose();
                    Login login = new Login();
                    login.setVisible(true);
                }
            }
        });

How can I increase the font of the text and the size of the button?

Solution

This code can help you with showOptionDialog :

import java.awt.Color;
import java.awt.Font;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;

public class CustomizedJOption {

public static void main(String[] args) {
    //Confirm button
    JButton btnYes = new JButton ( "    OK    ");
    btnYes.setFont(new Font("young circle", Font.BOLD, 30));
    btnYes.setForeground(Color.MAGENTA);
    //Negative button
    JButton btnNo = new JButton ( "    No    ");
    btnNo.setFont(new Font("young circle", Font.ITALIC, 30));
    btnNo.setForeground(Color.blue);
    //Add button options to the array
    Object [] options = {btnYes, btnNo} ;
    //text content
    JLabel label = new JLabel ( "\"¿Desea salir de la aplicación?\"");
    label.setForeground(Color.BLUE);
    label.setFont(new Font("young circle", Font.ITALIC, 30));
    //Display Dialog
    JOptionPane .showOptionDialog(null, label, "Title", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE,
                    null, options, options[0]);
}
}

Answered By - Oussama ZAGHDOUD