RFR: 8364007: Add no-argument codePointCount method to CharSequence and String [v3]

[Tatsunori Uchino]

On Mon, 26 Jan 2026 22:51:26 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> Tatsunori Uchino has updated the pull request incrementally with four additional commits since the last revision:
>> 
>>  - Update `@bug` in correct file
>>  - Add default implementation on codePointCount in CharSequence
>>  - Update `@bug` entries in test class doc comments
>>  - Discard changes on code whose form is not `str.codePointCount(0, str.length())`
>
> src/java.base/share/classes/java/lang/Character.java line 10012:
> 
>> 10010:      * @since  26
>> 10011:      */
>> 10012:     public static int codePointCount(char[] a) {
> 
> Regardless of the current usage, the parameter name `a` results in a confusing javadoc line.  "a the".
> My preference would be one of `chars`, `seq`, or ....

I found `chars` is too confusing with `char` in JSDoc. I'll chose `seq`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26461#discussion_r2730114109