RFR: 8274879: Replace uses of StringBuffer with StringBuilder within java.base classes [v2]

[Naoto Sato]

On Mon, 11 Oct 2021 21:05:46 GMT, Andrey Turbanov <duke at openjdk.java.net> wrote:

>> src/java.base/share/classes/java/lang/Character.java line 123:
>> 
>>> 121:  * than U+FFFF are called <em>supplementary character</em>s.  The Java
>>> 122:  * platform uses the UTF-16 representation in {@code char} arrays and
>>> 123:  * in the {@code String} and {@code StringBuilder} classes. In
>> 
>> Not sure simple replacement applies here, as `StringBuffer` still uses `UTF-16` representation. You may add `StringBuilder` as well here, but I think you might want to file a CSR to clarify.
>
> reverted changes in this spec.

Did you modify the PR? I am unable to locate the revert.

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PR: https://git.openjdk.java.net/jdk/pull/5432