| Name | Description | Type | Package | Framework |
| AbstractByteSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractCharSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractDoubleSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractFloatSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractIntSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractLongSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| AbstractShortSet | Class | org.apache.mahout.math.set | Apache Mahout | |
| HashUtils | Computes hashes of primitive values. | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenByteHashSet | Open hash set of byte items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenCharHashSet | Open hash set of char items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenDoubleHashSet | Open hash set of double items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenFloatHashSet | Open hash set of float items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenHashSet | Open hashing alternative to java. | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenIntHashSet | Open hash set of int items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenLongHashSet | Open hash set of long items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |
| OpenShortHashSet | Open hash set of short items;See Also:Serialized Form | Class | org.apache.mahout.math.set | Apache Mahout |