Compact Number Formatting and Fraction Digits

[Scott Palmer]

On Jan 17, 2019, at 12:42 PM, Gunnar Morling <gunnar at hibernate.org> wrote:

>> this could be a good value add to introduce an API [...]
> 
> Should I file a JDK issue then (not sure I can even)?
> 
>> Wouldn’t this be accomplished with setMaximumFractionDigits(1) ?
> 
> That wouldn't achieve that there's no fraction digit(s) in case of
> trailing 0s.

Yes it does. I just tried. Don’t set a minimum fraction digits, since you don’t actually want a minimum. 

Scott

> 
>> Am Do., 17. Jan. 2019 um 15:50 Uhr schrieb Scott Palmer <swpalmer at gmail.com>:
>> 
>> Wouldn’t this be accomplished with setMaximumFractionDigits(1) ?
>> 
>>> On Jan 17, 2019, at 5:13 AM, Nishit Jain <nishit.jain at oracle.com> wrote:
>>> 
>>> Hi Gunnar,
>>> 
>>> Currently there is no way to obtain the below expected behavior (to get 1K) when min fraction digit is set to non-zero value. I think that is not even expected when min fraction digits is set, but considering the objective of compact number formatting this could be a good value add to introduce an API which if set, truncates trailing fractional zeros while formatting output. This may need some thought process on its feasibility.
>>> 
>>> Regards,
>>> Nishit Jain
>>>> On 17-01-2019 14:37, Gunnar Morling wrote:
>>>> Hi,
>>>> 
>>>> I took a look at the compact number formatting recently added in JDK 12.
>>>> 
>>>> There's setMinimumFractionDigits() to control the number of fractional
>>>> digits, so that e.g. 1,500 can be formatted as 1.5K. That's great, but
>>>> it also will format 1,000 as 1.0K. Is there a way to have fractional
>>>> digits but remove trailing zeros, so that 1,500 and 1,000 would be
>>>> formatted as 1.5K and 1K, respectively?