It sounds like you opened the .jar file with an IDE or a zipfile program. It may just be a temporary file. You might try extracting the .class file to a specific location, and then try editing it.
This assumes that the contents of the .class file is actually text... --Joel
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How can I open a files say test.class. It is in a jar file that I have opend but now I cannot see the info in the text.class file.
It sounds like you opened the .jar file with an IDE or a zipfile program. It may just be a temporary file. You might try extracting the .class file to a specific location, and then try editing it.
This assumes that the contents of the .class file is actually text... --Joel
.class files are not plain text, you should open the .java file, but normally they are not included in the jar.
Jaap