Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BorderLayout;
import java.awt.Point;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;

public class Main {
    static Point point = new Point();

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.setUndecorated(true);
        frame.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                point.x = e.getX();
                point.y = e.getY();
            }
        });
        frame.addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseDragged(MouseEvent e) {
                Point p = frame.getLocation();
                frame.setLocation(p.x + e.getX() - point.x, p.y + e.getY() - point.y);
            }
        });

        frame.setSize(300, 300);
        frame.setLocation(200, 200);
        frame.setLayout(new BorderLayout());

        frame.getContentPane().add(new JLabel("Drag to move", JLabel.CENTER), BorderLayout.CENTER);

        JMenuBar menuBar = new JMenuBar();
        JMenu menu = new JMenu("Menu");
        menuBar.add(menu);
        JMenuItem item = new JMenuItem("Exit");
        item.addActionListener(e -> System.exit(0));
        menu.add(item);
        frame.setJMenuBar(menuBar);
        frame.setVisible(true);
    }
}