| 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).
|
| java.util.concurrent |
Utility classes commonly useful in concurrent programming.
|
| Modifier and Type | Class and Description |
|---|---|
class |
PriorityQueue<E>
An unbounded priority
queue based on a priority heap.
|
| Modifier and Type | Class and Description |
|---|---|
class |
ArrayBlockingQueue<E>
A bounded
blocking queue backed by an array.
|
class |
ConcurrentLinkedQueue<E>
An unbounded thread-safe
queue based on linked nodes.
|
class |
DelayQueue<E extends Delayed
An unbounded
blocking queue of
Delayed elements, in which an element can only be taken when its delay has expired.
|
class |
LinkedBlockingDeque<E>
An optionally-bounded
blocking deque based on linked nodes.
|
class |
LinkedBlockingQueue<E>
An optionally-bounded
blocking queue based on linked nodes.
|
class |
LinkedTransferQueue<E>
An unbounded
TransferQueue based on linked nodes.
|
class |
PriorityBlockingQueue<E>
An unbounded
blocking queue that uses the same ordering rules as class
PriorityQueue and supplies blocking retrieval operations.
|
class |
SynchronousQueue<E>
A
blocking queue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa.
|