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🚀 Java 21/25 brings a big upgrade to switch!
For years, switch was limited: only int, String, or enums — and case labels had to be constants.
👉 That meant verbose if/else chains and lots of casting.
With Pattern Matching for switch (JEP 441), we now get:
✨ Case labels with patterns (records, classes, arrays)
✨ Guarded patterns with when clauses
✨ Qualified enum constants as cases
✨ Null-friendly case labels
✨ Exhaustiveness checking (esp. with sealed classes)
Result: Cleaner, safer, and more expressive branching in Java. 🎉
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