RFR: 8333396: Performance regression of DecimalFormat.format [v12]

[lingjun-cg]

On Thu, 27 Jun 2024 05:08:06 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> lingjun-cg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   8333396: Performance regression of DecimalFormat.format
>
> src/java.base/share/classes/java/text/StringBufFactory.java line 45:
> 
>> 43:     }
>> 44: 
>> 45:     private static class StringBufferImpl implements Format.StringBuf {
> 
> The implementations may be more concise as a `record class`

I know little about `record class`, it seems `record class` is help to model data aggregation, but here it act as a proxy class.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19513#discussion_r1656957129