RFR: 2311: Use getLast and removeLast methods for lists

[Zhao Song]

On Fri, 28 Jun 2024 17:28:13 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> Please review this simple refactoring to change most if not all occurrences of `list.get(x.size() - 1)` to `list.getLast()`.
> 
> `getLast` was introduced in JDK 21, as part of JEP 431: Sequenced Collections, which also introduced a counterpart method, `getFirst()`. While there are also a lot of occurrences of `list.get(0)` in Skara codebase, changing them to `list.getFirst()` might be of insufficient benefit and, hence, is not proposed in this PR. I don't think that coinciding `get(0)` and `getLast()` would look inconsistent.
> 
> The copyright years will be updated after this PR has been reviewed.

LGTM! It's a very nice clean up.

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Marked as reviewed by zsong (Reviewer).

PR Review: https://git.openjdk.org/skara/pull/1665#pullrequestreview-2149032585