RFR: 8283711: Remove redundant 'new String' calls after concatenation

Fri Mar 25 20:49:53 UTC 2022

On Sun, 20 Mar 2022 12:07:52 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Result of string concatenation is a newly created String object. There is no need it wrap it in another 'new String' call.
> Such calls are confusing and produce warnings in IDE. Without them code is easier to read.
> Similar cleanup [JDK-8273375](https://bugs.openjdk.java.net/browse/JDK-8273375) in java.desktop

the compiler changes looks good

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Marked as reviewed by vromero (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7876