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Local variable type inference (var)
Local variable type inference (var) in Java 10.
Overview
Local variable type inference (var) in Java 10.
Example
// Java 10 feature: Local variable type inference (var)
// See official JDK release notes for migration details
Common Use Cases
- Modern Java 10 development
- Migration from older JDK versions
Pitfalls to Avoid
- Assuming feature availability on older JDKs
- Not checking
--releasecompiler flag
Related Topics
- Java 9 features
- JDK release notes
Best Practices
- Understand when to use local variable type inference (var) versus simpler alternatives
- Write unit tests covering edge cases and failure paths
- Follow Java conventions and prefer standard library APIs when available
- Profile before optimizing — measure impact in your specific workload