Skip to content
Sharp

Language Upgrades · interview question

When using a switch expression with pattern matching, what is a potential benefit compared to using multiple if-else statements?

Multiple choiceMediumchapter-12-curatedpremiumlanguage-upgradespattern-matching
Choose one answer
Answer and explanation

Correct answer

D. It provides exhaustive case checking for sealed class hierarchies.

Why

Switch expressions with pattern matching can provide exhaustive case checking when used with sealed class hierarchies, ensuring that all possible subclasses are handled, thus reducing the risk of unhandled cases.

Test yourself on Language Upgrades

A free test with instant, explained results. No account needed.

Start free test
All Language Upgrades questions →