juniorScala
What is pattern matching in Scala?
Updated May 24, 2026
Short answer
Pattern matching is a switch-like construct for deconstructing data.
Deep explanation
It allows matching against case classes, collections, and types in a concise way, improving readability over if-else chains.
Real-world example
Used in parsing API responses.
Common mistakes
- Not handling default case.
Follow-up questions
- Can pattern matching replace if-else?
- What is exhaustiveness checking?