<Swing Dev> RFR: 8273375: Remove redundant 'new String' calls after concatenation in java.desktop

[Jayathirth D V]

On Fri, 3 Sep 2021 07:53:21 GMT, Andrey Turbanov <github.com+741251+turbanoff 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.

Link this PR to bug in JBS. Otherwise change looks fine.

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PR: https://git.openjdk.java.net/jdk/pull/5356