Solution

HTML Interface to Applet

<APPLET CODEBASE="/applets/magelang/AWT-Training/classes/" CODE="ColorTest.class" WIDTH=300 HEIGHT=150 ALIGN=CENTER></APPLET>

Java Code

import java.awt.*;

public class ColorTest extends java.applet.Applet {

    public void init() {
        setLayout(new GridLayout(2,2));

        add(new ColorCanvas(Color.black));
        add(new ColorCanvas(Color.red));
        add(new ColorCanvas(Color.orange));
        add(new ColorCanvas(Color.yellow));
    }
}

class ColorCanvas extends Canvas {
    Color color;

    public ColorCanvas(Color c) {
        color = c;
    }

    public void paint(Graphics g) {
        g.setColor(color);
        g.fillRect(0, 0, size().width, size().height);
    }
}