Modern Java · interview question
In Java 17, how would you refactor a switch statement to a switch expression for better readability and safety in a customer type check?
Multiple choiceHardchapter-12-curatedpremiummodern-javaswitch-expressions
Answer and explanation
Correct answer
D. Switch to arrow syntax and ensure all cases are handled.
Why
Refactoring a switch statement to a switch expression with arrow syntax improves readability and prevents fall-through errors. It also ensures all possible cases are handled by requiring either exhaustive case handling or a default case.
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