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Editorial Team
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Asked: 2026-05-27T08:48:19+00:00

I have created a simple applet and HTML document, but when I open the

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I have created a simple applet and HTML document, but when I open the HTML document, the applet will not show. Java is enabled, and the code should be correct. but I just get a blank page. The applet runs fine in eclipse. I tried removing the stop and destroy methods which did nothing, not sure that it would anyway, this is my first ever applet code.

I did compile the .java file using the javac command and placed the html document and .class file in the same directory.

When using IE9 it gives me the error: Lamp (wrong name: mondrian/Lamp)

APPLET CODE

package mondrian;
import java.applet.*;
import java.awt.*;
public class Lamp extends Applet {
    public void init() {
        setBackground(Color.BLACK);
    }
    public void start() {
    }
    public void paint (Graphics g) {
        g.setColor(Color.YELLOW);
        g.fillRect(0, 0, 90, 90);
        g.fillRect(250, 0, 40, 190);
        g.fillRect(80, 110, 100, 20);
    }
    public void stop() {
    }
    public void destroy() {
    }
}

HTML DOCUMENT

<html>
<body>
<APPLET CODE="Lamp.class" WIDTH=200 HEIGHT=50>
</APPLET>
</body>
</html>
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1 Answer

  1. Editorial Team

    I see that the class is in a package.
    If you are running the class file place the html one directory below
    and refer to the class together with its package as in: 

    <applet code=mondrian.Lamp.class 
width=1200 height=1200>
</applet>

    if you prefer to run from a jar place the html in the same directory and write

    <applet code=mondrian.Lamp.class 
    archive="myarchive.jar"
    width=1200 height=1200>
</applet>

    jar is more portable of course than the numerous class files in a directory that needs to carry the package name.

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