MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.BasicStroke;
import java.awt.Graphics;
import java.awt.Graphics2D;

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

public class MainClass extends JPanel {

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

        BasicStroke bs = new BasicStroke(16.0f, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_BEVEL);
        g2.setStroke(bs);
        g.drawLine(30, 20, 270, 20);
    }

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

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