RFR: 8364007: Add no-argument codePointCount method to CharSequence and String [v16]

[Tatsunori Uchino]

On Sat, 31 Jan 2026 08:46:52 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Tatsunori Uchino has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Add `codePointCount` for `CharBuffer`
>
> src/java.base/share/classes/java/nio/X-Buffer.java.template line 2062:
> 
>> 2060:     /**
>> 2061:      * {@return the number of Unicode code points in this character sequence}
>> 2062:      * Isolated surrogate code units count as one code point each.
> 
> I agree the override needs to be specified but it will need to be specified to count the code points between the position (inclusive) and the limit (exclusive).

JavaDoc updated

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/26461#discussion_r2749563799