Integrated: 8293008: Replace uses of StringBuffer with StringBuilder in MergeCollation

[Andrey Turbanov]

On Wed, 24 Aug 2022 19:31:23 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Couple of package-private classes in `java.text` package still use `StringBuffer`: `MergeCollation` and `PatternEntry`.
> StringBuffer is a legacy synchronized class. StringBuilder is a direct replacement to StringBuffer which generally have better performance.

This pull request has now been integrated.

Changeset: 0d51f63a
Author:    Andrey Turbanov <aturbanov at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/0d51f63a2e95976636f8ec74a69096791304724e
Stats:     9 lines in 2 files changed: 0 ins; 0 del; 9 mod

8293008: Replace uses of StringBuffer with StringBuilder in MergeCollation

Reviewed-by: rriggs, naoto, bpb

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PR: https://git.openjdk.org/jdk/pull/10007