On Thu, 6 Mar 2025 12:38:01 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
>> We have helpful NPE messages now - they are more user-friendly.
>> And shorter methods are more likely to be inlined.
>
> src/java.base/share/classes/java/lang/String.java line 3649:
>
>> 3647: Iterable<? extends CharSequence> elements) {
>> 3648: Objects.requireNonNull(delimiter);
>> 3649: Objects.requireNonNull(elements);
>
> Hello Andrey, I have a different opinion about this. I think removing
> existing calls to `Objects.requireNonNull()` in favour of implicit null check
> (some times too far away in the code) isn't useful.
>
> You noted that the implicit `NullPointerException` stacktrace are more user
> friendly now. I think you can get similar level of useful information from
> `Objects.requireNonNull()` too. In these two specific cases, what you could
> perhaps do is change those calls to even pass the `message` so that it's
> clear what parameter is `null`. Something like:
>
> Objects.requireNonNull(delimiter, "delimiter");
> Objects.requireNonNull(elements, "elements");
Should we add it to other overloads of `join` then?
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PR Review Comment: https://git.openjdk.org/jdk/pull/23710#discussion_r1983977821
