/*
 * A Java program that creates a custom component with its own renderer.
 *
 * Ben Bederson, January 29, 2002
 */

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;

public class BasicGraphics extends JFrame {
    static public void main(String[] args) {
        new BasicGraphics();
    }

    public BasicGraphics() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        BCanvas canvas = new BCanvas();
        canvas.setPreferredSize(new Dimension(400, 400));

        getContentPane().add(canvas);
        pack();
        setVisible(true);
    }
}

class BCanvas extends JComponent {
    public void paintComponent(Graphics graphics) {
        Graphics2D g2 = (Graphics2D) graphics;

        g2.setColor(Color.white);
        g2.fillRect(getX(), getY(), getWidth(), getHeight());

        g2.setFont(new Font("Helvetica", Font.PLAIN, 15));
        g2.setColor(Color.black);
        g2.drawString("Hello World!", 100, 100);
    }
}