Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

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

public class Main extends JPanel {

    public void paint(Graphics g) {
        super.paint(g);
        Rectangle r = g.getClipBounds();
        g.drawLine(0, 0, r.width, r.height);

    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.add(new Main());
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setBounds(20, 20, 500, 500);
        frame.setVisible(true);
    }
}