Language Upgrades · interview question
In the context of sealed classes, what does it mean for a subclass to be marked as 'non-sealed'?
Multiple choiceHardchapter-12-curatedpremiumlanguage-upgradessealed-classes
Answer and explanation
Correct answer
D. It can be further subclassed without restriction.
Why
Marking a subclass as 'non-sealed' indicates that it removes the restrictions imposed by the sealed class, allowing it to be freely subclassed without listing subclasses in a permits clause.
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