Modern Java · interview question
What will happen if a switch expression does not cover all possible enum values and lacks a default case?
Multiple choiceHardchapter-12-curatedpremiummodern-javaswitch-expressions
Answer and explanation
Correct answer
D. A compile-time error is thrown.
Why
Switch expressions must be exhaustive when used with enums. If not all enum constants are covered and there's no default case, the compiler will throw an error, enforcing safer code.
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