RFR: 8257750: writeBuffer field of java.io.DataOutputStream should be final

[Naoto Sato]

On Fri, 4 Dec 2020 16:58:56 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Please review this trivial change to make the `writeBuffer` array field final and move it to the beginning of the class where other fields are declared.

Marked as reviewed by naoto (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/1627