# StringIndexOutOfBoundsException

- **ID:** `java/stringindexoutofboundsexception`
- **Domain:** java
- **Category:** range_error
- **Error Code:** `StringIndexOutOfBoundsException`
- **Verification:** official
- **Fix Rate:** 80%

## Root Cause

String index is negative or >= string length.

## Version Compatibility

| Version | Status | Introduced | Deprecated |
|---------|--------|------------|------------|
| 8+ | active | — | — |