Package | Description |
---|---|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
Modifier and Type | Class and Description |
---|---|
class |
AbstractList
This class provides a skeletal implementation of the List
interface to minimize the effort required to implement this interface
backed by a "random access" data store (such as an array).
|
class |
AbstractSequentialList
This class provides a skeletal implementation of the List
interface to minimize the effort required to implement this interface
backed by a "sequential access" data store (such as a linked list).
|
class |
AbstractSet
This class provides a skeletal implementation of the Set
interface to minimize the effort required to implement this
interface.
|
class |
ArrayList
Resizable-array implementation of the List interface.
|
class |
HashSet
This class implements the Set interface, backed by a hash table
(actually a HashMap instance).
|
class |
LinkedHashSet
Hash table and linked list implementation of the Set interface,
with predictable iteration order.
|
class |
LinkedList
Linked list implementation of the List interface.
|
class |
Stack
The
Stack class represents a last-in-first-out
(LIFO) stack of objects. |
class |
TreeSet
This class implements the Set interface, backed by a
TreeMap instance.
|
class |
Vector
The
Vector class implements a growable array of
objects. |
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