Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

public class Main extends JFrame {
    public Main() {
        setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        addWindowListener(new WindowAdapter() {
            public void windowOpened(WindowEvent e) {
            }

            public void windowClosing(WindowEvent e) {
                if (JOptionPane.showConfirmDialog(null, "Are you sure ?") == JOptionPane.YES_OPTION) {
                    setVisible(false);
                    dispose();
                }
            }
        });
        pack();
        setVisible(true);
    }

    public static void main(String args[]) {
        new Main();
    }
}