RFR: 8264029: Replace uses of StringBuffer with StringBuilder in java.base

[Aleksey Shipilev]

On Wed, 10 Mar 2021 19:47:00 GMT, Andrey Turbanov <github.com+741251+turbanoff at openjdk.org> wrote:

> Found by IntelliJ IDEA inspection `Java | Java language level migration aids | Java 5 | 'StringBuffer' may be 'StringBuilder'`
> As suggested in https://github.com/openjdk/jdk/pull/1507#issuecomment-757369003 I've created separate PR for module `java.base`
> Similar cleanup in the past - https://bugs.openjdk.java.net/browse/JDK-8041679

This looks good to me.

I have created the bug for it: https://bugs.openjdk.java.net/browse/JDK-8264029 -- please change the PR synopsis to "8264029: Replace uses of StringBuffer with StringBuilder in java.base"

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Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/2922