RFR: 8309819: Clarify API note in Class::getName and MethodType::toMethodDescriptorString [v4]

[Mandy Chung]

On Wed, 14 Jun 2023 02:13:23 GMT, Chen Liang <liach at openjdk.org> wrote:

>> The API specification for descriptorString not being a strict inverse of Class::forName and MethodType::fromDescriptorString are not entirely correct.
>> 
>> 1. Class::descriptorString was never an inverse of Class::forName, which takes a binary name instead. Class::getName was a partial inverse instead.
>> 2. MethodType::toMethodDescriptorString ends with a meaningless sentence: "fromMethodDescriptorString, because the latter requires a suitable class loader argument.", and the "Note:" section can be replaced with an `@apiNote`.
>> 3. Both of these didn't mention hidden classes (or other non-nominally-describable classes) as a reason that prevents the inversion operation, in addition to distinct classloaders.
>> 
>> A few user-defined anchor links are replaced with updated javadoc link tag format as well. The explicit html-style links in `@see` tags are unchanged in order to retain the non-code output.
>> 
>> The rendered specifications:
>> https://cr.openjdk.org/~liach/8309819/03/java.base/java/lang/Class.html
>> https://cr.openjdk.org/~liach/8309819/03/java.base/java/lang/invoke/MethodType.html
>
> Chen Liang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Convert the note in fromDescriptorString to apiNote

`Class::descriptorString` specifies clearly whether the result string is a field descriptor and whether it can be used to produce `ClassDesc` for all cases.   I feel that "described nominally" is quite clear what it means.

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PR Comment: https://git.openjdk.org/jdk/pull/14411#issuecomment-1591606018