Java Applet ClassNotFoundException

Question

I am trying to make a simple Applet, and it is proving far more challenging than I expected.

I have the following, very basic applet:

import java.applet.*;
import java.awt.*;

public class HelloWorldApplet extends Applet
{
   public void paint (Graphics g)
   {
      g.drawString ("Hello World", 25, 50);
   }
}

created in notepad and saved as:

HelloWorldApplet.java

then in the same folder I have the following HTML file:

<html>
<title>The Hello, World Applet</title>
<hr>
<applet code="HelloWorldApplet.class" width="320" height="120">
If your browser was Java-enabled, a "Hello, World"
message would appear here.
</applet>
<hr>
</html>

created in notepad and saved as:

HelloWorldApplet.html

I am getting the following error when trying to load the page:

ClassNotFoundException

HellowWorldApplet.class

Java is installed on the machine and from all the tutorials and reading I have done, everything is exactly correct.

Any ideas??

u have to compile it in order to get .class file. open cmd prompt if using win or terminal in linux like OS. go to the file location using cd and then compile using javac "filename". It will create a .class file in your current directory. — manish
– manish, Commented Jan 13, 2015 at 9:28

Vignesh Shiv · Accepted Answer · 2015-01-13 10:14:07Z

3

Embed the following code in the applet file as a multiline comment.

Eg:

/*
<applet code="HelloWorldApplet.class" width="320" height="120"></applet>
*/

save this as "HelloWorldApplet.html"

Compile using javac command

javac HelloWorldApplet.java

for Run the program using appletviewer command

appletviewer HelloWorldApplet.html

edited Jan 13, 2015 at 10:14

answered Jan 13, 2015 at 9:30

Vignesh Shiv

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