8325361: Make sun.net.www.MessageHeader final

[Korov]

Make sun.net.www.MessageHeader final, and replace C-style array type declaration with Java-style array declaration.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8325361: Make sun.net.www.MessageHeader final (Sub-task - P4)

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[bridgekeeper]

👋 Welcome back Korov! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@Korov The following label will be automatically applied to this pull request:

• net

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[mlbridge]

Webrevs

• 01: Full - Incremental (187df0fe)
• 00: Full (40c7f899)

[AlanBateman]

The motivation for JDK-8325361 is to remove @SuppressWarnings("this-escape") from the constructor.

[Korov]

The motivation for JDK-8325361 is to remove @SuppressWarnings("this-escape") from the constructor.

Hi @AlanBateman ,Thanks for reminding me, I'm new to this project, It would be much appreciated if you could provide any constructive criticism and feedback.