Just assigned it to you 🙂
Naoto
On 9/4/26 2:07 AM, Tagir Valeev wrote:
Hi, Naoto! Thank you for creating an RFE. I can work on this if you
don't mind. With best regards, Tagir Valeev On Thu, Sep 3, 2026 at 10: 
06 PM Naoto Sato <naoto. sato@ oracle. com> wrote: > > Hi Tagir, > >
Thanks. That seems
Hi, Naoto!
Thank you for creating an RFE. I can work on this if you don't mind.
With best regards,
Tagir Valeev
On Thu, Sep 3, 2026 at 10:06 PM Naoto Sato <[email protected]> wrote:
Hi Tagir,
Thanks. That seems like a useful suggestion. I hadn't considered using
it with streams.
Filed an RFE: https://bugs.openjdk.org/browse/JDK-8391789
Naoto
On 9/3/26 12:37 AM, Tagir Valeev wrote:
> Hello!
>
> I recently discovered the java.text.ListFormat API which appeared since
> Java 22. It's great and useful, but I feel that it misses a Collector.
> It's very possible that the original strings are available in the
> Stream, rather than in the List, and it would be nice to be able to join
> the stream directly, without intermediate List, like we can do with
> Collectors.joining(). So I would propose adding a new instance method to
> ListFormat, like
>
> public Collector<String, ?, String> formatting() {...}
>
> or probably, to be more consistent with Collectors.joining(), it could be
>
> public Collector<CharSequence, ?, String> formatting() {...}
>
> The initial implementation could be trivial:
>
> public Collector<CharSequence, ?, String> formatting() {
> return
> Collectors.collectingAndThen(Collectors.mapping(CharSequence::toString,
> Collectors.toList()), this::format);
> }
>
> Or without 'mapping' step, if we want to limit the input to strings.
>
> What do you think?
>
> With best regards,
> Tagir Valeev
