| Name | Type | Package | Detail |
| AbstractMap | Abstract Class | java.util | Detail |
| ConcurrentHashMap | Class | java.util | Detail |
| ConcurrentSkipListMap | Class | java.util | Detail |
| EnumMap | Class | java.util | Detail |
| HashMap | Class | java.util | Detail |
| IdentityHashMap | Class | java.util | Detail |
| LinkedHashMap | Class | java.util | Detail |
| TreeMap | Class | java.util | Detail |
| WeakHashMap | Class | java.util | Detail |
