Why can't I make my applets work in Explorer?

I know this is stupid but I've really checked almost every source to see what the problem is.. But it doesnt work... Here it is:
I write really really simple, "hello world" kinda applets just to see the java environment and stuff. I compile them using "javac" program. I view them using "appletviewer" in an applet window. But I can't see them in an explorer window, am I dumb or what? I checked my HTML code and I don't think there's a problem in it.The class name's correct, the path -i use codebase="."- is so... But I still see the error "class: blahblah not found" in explorer. Ok, there must be a prob. in my coding somewhere,but how do I view the working applet in "appletviewer"?

HTML is based on relative paths, so in the
codebase= make sure that you are using the
correct location, and if you are using a relative path
that the .class file actually is in that path.
Folder: HTML
Folder: java
File: applet.class
Folder: pages
File: appletTest.html
In the appletTest.html file in the applet tag, if I
use the code=applet.class then it is looking for it in
the "pages" folder and not where it actually is.
To fix this, simply change the codebase to point to
"../java" and then it will work, or you could just
move the applet file to the "pages" folder.
Make sure it is the .class file and not the
.java source code.

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