Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class Main extends JFrame {
    public Main() {

        setDefaultCloseOperation(EXIT_ON_CLOSE);
        enableEvents(java.awt.AWTEvent.WINDOW_EVENT_MASK);
    }

    protected void processWindowEvent(WindowEvent e) {
        System.out.println(e.getNewState() == WindowEvent.WINDOW_ACTIVATED);
        super.processWindowEvent(e); // Pass on the event
    }

    public static void main(String[] a) {
        Main window = new Main();
        window.setBounds(30, 30, 300, 300);
        window.setVisible(true);
    }
}