RFR: 8299879: CollectedHeap hierarchy should use override

[Stefan Karlsson]

On Wed, 11 Jan 2023 09:05:44 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

> The CollectedHeap class declares a bunch of virtual methods that are overridden in its subclasses. Now that we can, we should convert this code to use "override" consistently, to help making the code more robust.

Marked as reviewed by stefank (Reviewer).

Marked as reviewed by stefank (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11937