Pattern Matching for Switch

This feature is available in preview from Java 17.

Ensure your SDK and Language Level are at least Java 17 (Preview) in your Project Structure with ⌘; (macOS) / Ctrl+Alt+Shift+S (Windows/Linux).

IntelliJ IDEA highlights code that can be replaced with a switch expression using pattern variables. Press ⌥⏎ (macOS) / Alt+Enter (Windows/Linux) and choose "Replace if with switch".

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You can also use pattern matching for instanceof!

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