How do I save as .class ?

I've opened a .class file with DJ decompiler, edited it but cannot save it back to a .class
I get this message:
Because file extension is not RTF file C:\test.java will be saved in Text Format (Plain Text)!
I end up getting a JAD and JAVA file but not an edited .class.
How do i save the edited file as a .class? Anyone know? Please excuse my lack of knowledge, I'm new to java.
Message was edited by:
JD_123

I didn't create the .class, I'm just trying to edit
it. You don't t ypically edit a class file - the .class file is not a text file.
I've never messed with java before but I figured
editing a class file and saving it wouldn't be to
difficult for a beginner. No, the standard flow is to edit the source code, then compile it to produce the corresponding class file.
I don't know a thing
about Javac. How do I use it, specifically for what
said I need to do?http://java.sun.com/docs/books/tutorial/getStarted/cupojava/index.html
Good Luck
Lee

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--=====
Yvan KOENIG (VALLAURIS, France)
2011/11/15
--=====
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--{code}
Of course, thanks to FastScripts, we may link a shortcut to the script.
Yvan KOENIG (VALLAURIS, France) mardi 15 janvier 2011 19:04:38
iMac 21”5, i7, 2.8 GHz, 4 Gbytes, 1 Tbytes, mac OS X 10.6.8 and 10.7.2
My iDisk is : <http://public.me.com/koenigyvan>
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