Relates :
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Relates :
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Per this design discussion: https://mail.openjdk.java.net/pipermail/amber-spec-experts/2020-May/002161.html The consensus is that, at least until we revisit the topic, member classes of local/anonymous classes should not be allowed to use the 'sealed' modifier or to extend/implement a sealed class or interface. javac should be updated accordingly.
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