Uses of Interface
java.util.concurrent.Future

Packages that use Future

Package	Description
java.nio.channels	Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.util.concurrent	Utility classes commonly useful in concurrent programming.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.

Uses of Future in java.nio.channels

Methods in java.nio.channels that return Future

Modifier and Type	Method	Description
abstract Future<AsynchronousSocketChannel>	AsynchronousServerSocketChannel.accept()	Accepts a connection.
abstract Future<Void>	AsynchronousSocketChannel.connect(SocketAddress remote)	Connects this channel.
Future<FileLock>	AsynchronousFileChannel.lock()	Acquires an exclusive lock on this channel's file.
abstract Future<FileLock>	AsynchronousFileChannel.lock(long position, long size, boolean shared)	Acquires a lock on the given region of this channel's file.
Future<Integer>	AsynchronousByteChannel.read(ByteBuffer dst)	Reads a sequence of bytes from this channel into the given buffer.
abstract Future<Integer>	AsynchronousFileChannel.read(ByteBuffer dst, long position)	Reads a sequence of bytes from this channel into the given buffer, starting at the given file position.
abstract Future<Integer>	AsynchronousSocketChannel.read(ByteBuffer dst)
Future<Integer>	AsynchronousByteChannel.write(ByteBuffer src)	Writes a sequence of bytes to this channel from the given buffer.
abstract Future<Integer>	AsynchronousFileChannel.write(ByteBuffer src, long position)	Writes a sequence of bytes to this channel from the given buffer, starting at the given file position.
abstract Future<Integer>	AsynchronousSocketChannel.write(ByteBuffer src)

Uses of Future in java.util.concurrent

Subinterfaces of Future in java.util.concurrent

Modifier and Type	Interface	Description
interface	RunnableFuture<V>	A Future that is Runnable.
interface	RunnableScheduledFuture<V>	A ScheduledFuture that is Runnable.
interface	ScheduledFuture<V>	A delayed result-bearing action that can be cancelled.

Classes in java.util.concurrent that implement Future

Modifier and Type	Class	Description
class	CompletableFuture<T>	A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
class	CountedCompleter<T>	A ForkJoinTask with a completion action performed when triggered and there are no remaining pending actions.
class	ForkJoinTask<V>	Abstract base class for tasks that run within a ForkJoinPool.
class	FutureTask<V>	A cancellable asynchronous computation.
class	RecursiveAction	A recursive resultless ForkJoinTask.
class	RecursiveTask<V>	A recursive result-bearing ForkJoinTask.

Methods in java.util.concurrent that return Future

Modifier and Type	Method	Description
Future<V>	CompletionService.poll()	Retrieves and removes the Future representing the next completed task, or null if none are present.
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.
Future<?>	AbstractExecutorService.submit(Runnable task)
<T> Future<T>	AbstractExecutorService.submit(Runnable task, T result)
<T> Future<T>	AbstractExecutorService.submit(Callable<T> task)
Future<V>	CompletionService.submit(Runnable task, V result)	Submits a Runnable task for execution and returns a Future representing that 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<V>	ExecutorCompletionService.submit(Runnable task, V result)
Future<V>	ExecutorCompletionService.submit(Callable<V> task)
Future<?>	ExecutorService.submit(Runnable task)	Submits a Runnable task for execution and returns a Future representing that task.
<T> Future<T>	ExecutorService.submit(Runnable task, T result)	Submits a Runnable task for execution and returns a Future representing that 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.
Future<?>	ScheduledThreadPoolExecutor.submit(Runnable task)
<T> Future<T>	ScheduledThreadPoolExecutor.submit(Runnable task, T result)
<T> Future<T>	ScheduledThreadPoolExecutor.submit(Callable<T> task)
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

Modifier and Type	Method	Description
<T> List<Future<T>>	ExecutorService.invokeAll(Collection<? extends Callable<T>> tasks)	Executes the given tasks, returning a list of Futures holding their status and results when all complete.
<T> List<Future<T>>	ExecutorService.invokeAll(Collection<? extends 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>>	ForkJoinPool.invokeAll(Collection<? extends Callable<T>> tasks)

Constructor parameters in java.util.concurrent with type arguments of type Future

Constructor	Description
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.

Uses of Future in javax.swing

Classes in javax.swing that implement Future

Modifier and Type	Class	Description
class	SwingWorker<T,V>	An abstract class to perform lengthy GUI-interaction tasks in a background thread.