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From Jörg Schaible <>
Subject Re: [math] serialVersionUID
Date Sat, 06 Aug 2011 12:21:36 GMT
Sébastien Brisard wrote:

> Hi,
> I've just realized that many classes I've submitted do not define
> serialVersionUID, which raises a warning. I have to say that it's
> something I've never done myself, but I'd like to avoid the committers
> the burden of inserting this. What's the rule for chosing this number?
> (sorry for the silly question).

I started to use YYYYMMDD e.g. to day I would take 20110806L. It gives me a 
hint when the number was chosen resp. binary compatibility was last broken.

- Jörg

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