description: "Check for inefficient uses of iterators that iterate on keys then lookup their values, instead of iterating on key-value pairs directly."
---
Check for inefficient uses of iterators that iterate on keys then lookup their values, instead of iterating on key-value pairs directly.
Activate with `--inefficient-keyset-iterator`.
Supported languages:
- C/C++/ObjC: No
- Java: Yes
## List of Issue Types
The following issue types are reported by this checker:
