RFR: 8263552: Use String.valueOf() for char-to-String conversion in ObjectStreamClass

[Alexander Zvegintsev]

On Sat, 20 Feb 2021 12:17:32 GMT, Сергей Цыпанов <github.com+10835776+stsypanov at openjdk.org> wrote:

> This is a very simple and trivial improvement about getting rid of pointless char wrapping into array

Marked as reviewed by azvegint (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2660