Hey Andrew,

Not sure it would risk breaking compatibility. It’s fairly easy to support it 
by just replacing underscore before parsing. Do you think of code that is 
expected to not parse underscore arguments? I think it’s a fair request to 
support underscore based integer representations, even though I never needed it 
yet, anyhow it makes sense to me to give users the possibility to have the same 
integer representation in, let’s say, properties files.

Chris

> On 09 Apr 2016, at 11:06, Andrew Haley <a...@redhat.com> wrote:
> 
> On 08/04/16 23:36, kedar mhaswade wrote:
>> As library writers however, how would you explain this mismatch?
> 
> Changing valueOf(String) runs the risk of breaking existing Java code,
> and Java takes compatibility very seriously.  Whether it's worth the
> risk is a matter of judgement.
> 
> Andrew.
> 

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