Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

    public void paint(Graphics g) {
        Graphics2D g2 = (Graphics2D) g;

        Rectangle r = new Rectangle(10, 10, 50, 40);

        System.out.println(r.createUnion(new Rectangle(20, 20, 40, 40)));

        g2.fill(r);
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new Main());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }
}