| Name | Description | Type | Package | Framework |
| AbstractHashSet | Abstract base class for all hashset implementations. | Class | org.exist.util.hashtable | ExistDB |
| AbstractHashtable | Abstract base class for all hashtable implementations. | Class | org.exist.util.hashtable | ExistDB |
| Int2ObjectHashMap | A hashtable which maps int keys to object values. | Class | org.exist.util.hashtable | ExistDB |
| Long2ObjectHashMap | A hashtable which maps long keys to object values. | Class | org.exist.util.hashtable | ExistDB |
| MapRWLock | Class | org.exist.util.hashtable | ExistDB | |
| MapRWLock .LongOperation | Interface | org.exist.util.hashtable | ExistDB | |
| NamePool | Class | org.exist.util.hashtable | ExistDB | |
| Object2IntHashMap | A hashtable which maps object keys to long values. | Class | org.exist.util.hashtable | ExistDB |
| Object2LongHashMap | A hashtable which maps object keys to long values. | Class | org.exist.util.hashtable | ExistDB |
| Object2LongIdentityHashMap | A hashtable which maps object keys to long values. | Class | org.exist.util.hashtable | ExistDB |
| Object2ObjectHashMap | Class | org.exist.util.hashtable | ExistDB | |
| ObjectHashSet | A hash set on objects. | Class | org.exist.util.hashtable | ExistDB |
| SequencedLongHashMap | Class | org.exist.util.hashtable | ExistDB | |
| SequencedLongHashMap .Entry | Represents an entry in the map. | Class | org.exist.util.hashtable | ExistDB |