RFR: 8293630: Simplify TreeMap.get() with Comparator.naturalOrder() [v2]

[ExE Boss]

On Fri, 14 Oct 2022 08:53:24 GMT, Сергей Цыпанов <duke at openjdk.org> wrote:

>> We can use `Comparator.naturalOrder()` for cases when a `TreeMap` instance is constructed without comparator. This allows to squash two branches in `TreeMap.get()` into one.
>> 
>> P.S. I think the comment of `TreeMap.getEntryUsingComparator()` is outdated. Should we also change it?
>
> Сергей Цыпанов has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update src/java.base/share/classes/java/util/TreeMap.java
>   
>   Co-authored-by: ExE Boss <3889017+ExE-Boss at users.noreply.github.com>

src/java.base/share/classes/java/util/TreeMap.java line 3320:

> 3318:             @SuppressWarnings("unchecked")
> 3319:             Comparator<Map.Entry<K, V>> entryComparator = treeComparator == null ?
> 3320:                     (Comparator) Map.Entry.comparingByKey()

Missed a colon:
Suggestion:

                    (Comparator) Map.Entry.comparingByKey() :

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PR: https://git.openjdk.org/jdk/pull/9901