On Sat, 19 Sep 2026 16:44:24 GMT, Anthony Vanelverdinghe <[email protected]>
wrote:
>> Tagir F. Valeev has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> 8391789: Dumb error fix
>
> src/java.base/share/classes/java/util/stream/Collectors.java line 368:
>
>> 366: *
>> 367: * <p>The returned Collector requires at least one input element.
>> 368: * It will throw {@link IllegalArgumentException} if there are no
>> input elements.
>
> This behavior is very unintuitive to me. I propose to return the empty string
> if there are no input elements, like the existing `joining` methods do. In
> particular, I'd expect to be able to refactor existing usages of `joining` by
> simply replacing `stream.collect(joining(delimiter))` with
> `stream.collect(joining(listFormat))`.
yes, I agree
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PR Review Comment: https://git.openjdk.org/jdk/pull/32716#discussion_r4054480173