Package | Description |
---|---|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, random-number generator, and miscellaneous utility
classes.
|
Modifier and Type | Class and Description |
---|---|
class |
HashSet<E>
This class implements the Set interface, backed by a hash table
(actually a HashMap instance).
|
class |
LinkedHashSet<E>
Hash table and linked list implementation of the Set interface,
with predictable iteration order.
|
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