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".


Related Resources

Inject a Language
Inject a Language
Language injections let you work with pieces of code in other languages embedded in your code.
Extend Selection
Extend Selection
Extend and shrink your current code selection.
Extract Method
Extract Method
Extract code to a new method.