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## Uses of Interface
java.util.concurrent.Future

Packages that use Future
java.util.concurrent | Utility classes commonly useful in concurrent programming.

Uses of Future in java.util.concurrent

Subinterfaces of Future in java.util.concurrent
`interface` | `ScheduledFuture<V>` A delayed result-bearing action that can be cancelled.

Classes in java.util.concurrent that implement Future
`class` | `FutureTask<V>` A cancellable asynchronous computation.

Methods in java.util.concurrent that return Future
`Future<V>` | `ExecutorCompletionService.poll()`
`Future<V>` | `CompletionService.poll()` Retrieves and removes the Future representing the next completed task or `null` if none are present.
`Future<V>` | `ExecutorCompletionService.poll(long timeout, TimeUnit unit)`
`Future<V>` | `CompletionService.poll(long timeout, TimeUnit unit)` Retrieves and removes the Future representing the next completed task, waiting if necessary up to the specified wait time if none are yet present.
`
`<T> Future<T>`
` | `ScheduledThreadPoolExecutor.submit(Callable<T> task)`
`
`<T> Future<T>`
` | `ExecutorService.submit(Callable<T> task)` Submits a value-returning task for execution and returns a Future representing the pending results of the task.
`
`<T> Future<T>`
` | `AbstractExecutorService.submit(Callable<T> task)`
`Future<V>` | `ExecutorCompletionService.submit(Callable<V> task)`
`Future<V>` | `CompletionService.submit(Callable<V> task)` Submits a value-returning task for execution and returns a Future representing the pending results of the task.
`Future<?>` | `ScheduledThreadPoolExecutor.submit(Runnable task)`
`Future<?>` | `ExecutorService.submit(Runnable task)` Submits a Runnable task for execution and returns a Future representing that task.
`Future<?>` | `AbstractExecutorService.submit(Runnable task)`
`
`<T> Future<T>`
` | `ScheduledThreadPoolExecutor.submit(Runnable task, T result)`
`
`<T> Future<T>`
` | `ExecutorService.submit(Runnable task, T result)` Submits a Runnable task for execution and returns a Future representing that task that will upon completion return the given result
`
`<T> Future<T>`
` | `AbstractExecutorService.submit(Runnable task, T result)`
`Future<V>` | `ExecutorCompletionService.submit(Runnable task, V result)`
`Future<V>` | `CompletionService.submit(Runnable task, V result)` Submits a Runnable task for execution and returns a Future representing that task.Upon completion, this task may be taken or polled.
`Future<V>` | `ExecutorCompletionService.take()`
`Future<V>` | `CompletionService.take()` Retrieves and removes the Future representing the next completed task, waiting if none are yet present.

Methods in java.util.concurrent that return types with arguments of type Future
`
`<T> List<Future<T>>`
` | `ExecutorService.invokeAll(Collection<Callable<T>> tasks)` Executes the given tasks, returning a list of Futures holding their status and results when all complete.
`
`<T> List<Future<T>>`
` | `AbstractExecutorService.invokeAll(Collection<Callable<T>> tasks)`
`
`<T> List<Future<T>>`
` | `ExecutorService.invokeAll(Collection<Callable<T>> tasks, long timeout, TimeUnit unit)` Executes the given tasks, returning a list of Futures holding their status and results when all complete or the timeout expires, whichever happens first.
`
`<T> List<Future<T>>`
` | `AbstractExecutorService.invokeAll(Collection<Callable<T>> tasks, long timeout, TimeUnit unit)`

Constructor parameters in java.util.concurrent with type arguments of type Future
`ExecutorCompletionService(Executor executor, BlockingQueue<Future<V>> completionQueue)` Creates an ExecutorCompletionService using the supplied executor for base task execution and the supplied queue as its completion queue.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.