On Tue, 27 Jan 2026 11:33:21 GMT, Tatsunori Uchino <[email protected]> wrote:
>> Adds `codePointCount()` overloads to `String`, `Character`,
>> `(Abstract)StringBuilder`, and `StringBuffer` to make it possible to
>> conveniently retrieve the length of a string as code points without extra
>> boundary checks.
>>
>>
>> if (superTremendouslyLongExpressionYieldingAString().codePointCount() >
>> limit) {
>> throw new Exception("exceeding length");
>> }
>>
>>
>> Is a CSR required to this change?
>
> Tatsunori Uchino has updated the pull request incrementally with one
> additional commit since the last revision:
>
> Replace "unpaired surrogates" with "isolated surrogate code units"
>
> https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-3/#G1654
> https://www.unicode.org/charts/PDF/UDC00.pdf
/home/runner/work/jdk/jdk/test/jdk/java/lang/Character/Supplementary.java:352:
error: incompatible types: String cannot be converted to char[]
int n = Character.codePointCount(str);
Seeing this error message, users will think that Java is clunky and unhelpful.
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PR Comment: https://git.openjdk.org/jdk/pull/26461#issuecomment-3810291676
