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From Jörg Schaible <>
Subject Re: [logging] Bug 38174 and JCL 1.1
Date Thu, 19 Jan 2006 21:46:40 GMT
Boris Unckel wrote:

> Hello Robert,
> robert burrell donkin wrote:
>> i'm going through the patches (by hand) now.
>> i notice that a lot of the parameters are now declared final (which is -
>> usually - good). i would have expected that this should not effect
>> binary compatibility but unfortunately, i can't find anywhere in the JLS
>> where this is definitely specified. i'm very reluctant to add any
>> changes which risk (at all) binary compatibility issues.
>> anyone know of a definitive reference?
> First my apologies to not mention it in the patch description - I am used
> to final the parameters, so I did not recognize it actively.
> I cannot cite a spec or a similiar document. After your mail I just used
> JAD to decompile a class again.
> The final before the parameters is not part of the decompiled class.
> I know that this is not a proove, but a hint.
> If this is going to be a show stopper, the final should be removed.

It has no effect on the binary output, otherwise you could not overwrite 
methods and change this modifier for the parameters. For parameters it is 
just a hint for the compiler and prevents accidental assignment.

- Jörg

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