Integrated: 8289389: Fix warnings: type should also implement hashCode() since it overrides Object.equals()

[Andy Goryachev]

On Fri, 8 Jul 2022 19:46:20 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> - added missing hashCode() methods

This pull request has now been integrated.

Changeset: 075cc80b
Author:    Andy Goryachev <angorya at openjdk.org>
Committer: Nir Lisker <nlisker at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/075cc80b57095729fb43c17195f6b17322248748
Stats:     83 lines in 9 files changed: 72 ins; 0 del; 11 mod

8289389: Fix warnings: type should also implement hashCode() since it overrides Object.equals()

Reviewed-by: kcr

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PR: https://git.openjdk.org/jfx/pull/821