# IndexOutOfBoundsException

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

## Root Cause

Index of an array, list, or string is out of the valid range (0 to length-1).

## Version Compatibility

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