On Tue, 12 Apr 2022 23:25:14 GMT, Stuart Marks <sma...@openjdk.org> wrote:
>> src/java.base/share/classes/java/util/LinkedHashMap.java line 604:
>>
>>> 602: * @return a set view of the keys contained in this map
>>> 603: */
>>> 604: public SequencedSet<K> keySet() {
>>
>> Changing the return type means that subclasses of `LinkedHashMap` that
>> override `keySet()` will no longer compile, unless they also change the
>> return type.
>
> Yes. Previously compiled binaries will also throw `NoSuchMethodError` if they
> call `super.keySet()`. Clearly these are incompatibilities; the question is
> whether they are severe enough to warrant pursuing a different approach. If
> you have any thoughts about how to assess the severity of this change, please
> let me know.
Won’t `super.keySet()` resolve to a bridge method in that case?
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PR Review Comment: https://git.openjdk.org/jdk/pull/7387#discussion_r849394986
