RFR: 8307840: SequencedMap view method specification and implementation adjustments

[Jaikiran Pai]

On Thu, 1 Jun 2023 16:18:12 GMT, Stuart Marks <smarks at openjdk.org> wrote:

> Adjust the specification of the `SequencedMap` sequenced-view methods, and adjust implementations to match.

src/java.base/share/classes/java/util/AbstractMap.java line 908:

> 906:         public boolean add(E t) { throw uoe(); }
> 907:         public boolean addAll(Collection<? extends E> c) { throw uoe(); }
> 908:         public void clear() { view().clear(); }

Each of these methods should perhaps have the `@Override` to make it clear that these correspond to the interface this class is implementing. But I see that the `AbstractMap` class itself doesn't use `@Override` anywhere, so I think it's OK to keep it consistent in its current form in this PR.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14267#discussion_r1218900019