RFR: 8353795: Add Writer.of(StringBuilder) [v2]

[Jesper Wilhelmsson]

On Sun, 4 May 2025 16:21:41 GMT, Markus KARG <duke at openjdk.org> wrote:

>> This Pull Requests proposes an implementation for [JDK-8353795](https://bugs.openjdk.org/browse/JDK-8353795): Adding the new method `public static Writer Writer.of(StringBuilder)`, providing a non-synchronized Writer implementation optimized for writing into `StringBuilder`.
>> 
>> A basic test is provided to proof that the new `Writer` behaves as expected. For comparison, the same test is also run against `StringWriter`.
>
> Markus KARG has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Undone copyright update of otherwise unchanged file.
>  - Update Of.java
>    
>    Applied changnes proposed by @liach: "the default toString already includes id=..., so I usually don't provide an explicit override to make the code concise."

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Any kind of "if you engage in a discussion you must reply within X weeks" will most likely only result in less people engaging in the first place.

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PR Comment: https://git.openjdk.org/jdk/pull/24469#issuecomment-2856187951