Language Upgrades · interview question
How does the 'sealed' keyword in Java differ from 'final'?
Multiple choiceMediumchapter-12-curatedpremiumlanguage-upgradessealed-classes
Answer and explanation
Correct answer
B. 'sealed' allows specific subclasses, 'final' does not allow any.
Why
The 'sealed' keyword allows specific subclasses to extend a class, whereas 'final' completely prohibits any subclassing. This provides a middle ground for controlling inheritance.
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