| boolean | CountDownLatch. await(long timeout,
     TimeUnit unit) | Causes the current thread to wait until the latch has counted down to
 zero, unless the thread is interrupted ,
 or the specified waiting time elapses. | 
| int | CyclicBarrier. await(long timeout,
     TimeUnit unit) | Waits until all parties  have invoked
  await on this barrier, or the specified waiting time elapses. | 
| int | Phaser. awaitAdvanceInterruptibly(int phase,
                         long timeout,
                         TimeUnit unit) | Awaits the phase of this phaser to advance from the given phase
 value or the given timeout to elapse, throwing 
 InterruptedExceptionif interrupted while waiting, or
 returning immediately if the current phase is not equal to the
 given phase value or this phaser is terminated. | 
| boolean | ForkJoinPool. awaitQuiescence(long timeout,
               TimeUnit unit) |  | 
| boolean | ExecutorService. awaitTermination(long timeout,
                TimeUnit unit) | Blocks until all tasks have completed execution after a shutdown
 request, or the timeout occurs, or the current thread is
 interrupted, whichever happens first. | 
| boolean | ForkJoinPool. awaitTermination(long timeout,
                TimeUnit unit) | Blocks until all tasks have completed execution after a
 shutdown request, or the timeout occurs, or the current thread
 is interrupted, whichever happens first. | 
| CompletableFuture<T> | CompletableFuture. completeOnTimeout(T value,
                 long timeout,
                 TimeUnit unit) | Completes this CompletableFuture with the given value if not
 otherwise completed before the given timeout. | 
| long | TimeUnit. convert(long sourceDuration,
       TimeUnit sourceUnit) | Converts the given time duration in the given unit to this unit. | 
| static Executor | CompletableFuture. delayedExecutor(long delay,
               TimeUnit unit) | Returns a new Executor that submits a task to the default
 executor after the given delay (or no delay if non-positive). | 
| static Executor | CompletableFuture. delayedExecutor(long delay,
               TimeUnit unit,
               Executor executor) | Returns a new Executor that submits a task to the given base
 executor after the given delay (or no delay if non-positive). | 
| V | Exchanger. exchange(V x,
        long timeout,
        TimeUnit unit) | Waits for another thread to arrive at this exchange point (unless
 the current thread is interrupted  or
 the specified waiting time elapses), and then transfers the given
 object to it, receiving its object in return. | 
| T | CompletableFuture. get(long timeout,
   TimeUnit unit) | Waits if necessary for at most the given time for this future
 to complete, and then returns its result, if available. | 
| V | ForkJoinTask. get(long timeout,
   TimeUnit unit) | Waits if necessary for at most the given time for the computation
 to complete, and then retrieves its result, if available. | 
| V | Future. get(long timeout,
   TimeUnit unit) | Waits if necessary for at most the given time for the computation
 to complete, and then retrieves its result, if available. | 
| V | FutureTask. get(long timeout,
   TimeUnit unit) |  | 
| long | Delayed. getDelay(TimeUnit unit) | Returns the remaining delay associated with this object, in the
 given time unit. | 
| long | ThreadPoolExecutor. getKeepAliveTime(TimeUnit unit) | Returns the thread keep-alive time, which is the amount of time
 that threads may remain idle before being terminated. | 
| <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> T | ExecutorService. invokeAny(Collection<? extends Callable<T>> tasks,
         long timeout,
         TimeUnit unit) | Executes the given tasks, returning the result
 of one that has completed successfully (i.e., without throwing
 an exception), if any do before the given timeout elapses. | 
| boolean | ArrayBlockingQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element at the tail of this queue, waiting
 up to the specified wait time for space to become available if
 the queue is full. | 
| boolean | BlockingDeque. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element into the queue represented by this deque
 (in other words, at the tail of this deque), waiting up to the
 specified wait time if necessary for space to become available. | 
| boolean | BlockingQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element into this queue, waiting up to the
 specified wait time if necessary for space to become available. | 
| boolean | DelayQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element into this delay queue. | 
| boolean | LinkedBlockingDeque. offer(E e,
     long timeout,
     TimeUnit unit) |  | 
| boolean | LinkedBlockingQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element at the tail of this queue, waiting if
 necessary up to the specified wait time for space to become available. | 
| boolean | LinkedTransferQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element at the tail of this queue. | 
| boolean | PriorityBlockingQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element into this priority queue. | 
| int | SubmissionPublisher. offer(T item,
     long timeout,
     TimeUnit unit,
     BiPredicate<Flow.Subscriber<? super T>,? super T> onDrop) | Publishes the given item, if possible, to each current subscriber
 by asynchronously invoking its  onNext method, blocking while
 resources for any subscription are unavailable, up to the
 specified timeout or until the caller thread is interrupted, at
 which point the given handler (if non-null) is invoked, and if it
 returns true, retried once. | 
| boolean | SynchronousQueue. offer(E e,
     long timeout,
     TimeUnit unit) | Inserts the specified element into this queue, waiting if necessary
 up to the specified wait time for another thread to receive it. | 
| boolean | BlockingDeque. offerFirst(E e,
          long timeout,
          TimeUnit unit) | Inserts the specified element at the front of this deque,
 waiting up to the specified wait time if necessary for space to
 become available. | 
| boolean | LinkedBlockingDeque. offerFirst(E e,
          long timeout,
          TimeUnit unit) |  | 
| boolean | BlockingDeque. offerLast(E e,
         long timeout,
         TimeUnit unit) | Inserts the specified element at the end of this deque,
 waiting up to the specified wait time if necessary for space to
 become available. | 
| boolean | LinkedBlockingDeque. offerLast(E e,
         long timeout,
         TimeUnit unit) |  | 
| CompletableFuture<T> | CompletableFuture. orTimeout(long timeout,
         TimeUnit unit) | Exceptionally completes this CompletableFuture with
 a  TimeoutException if not otherwise completed
 before the given timeout. | 
| E | BlockingDeque. poll(long timeout,
    TimeUnit unit) | Retrieves and removes the head of the queue represented by this deque
 (in other words, the first element of this deque), waiting up to the
 specified wait time if necessary for an element to become available. | 
| E | BlockingQueue. poll(long timeout,
    TimeUnit unit) | Retrieves and removes the head of this queue, waiting up to the
 specified wait time if necessary for an element to become available. | 
| 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. | 
| E | DelayQueue. poll(long timeout,
    TimeUnit unit) | Retrieves and removes the head of this queue, waiting if necessary
 until an element with an expired delay is available on this queue,
 or the specified wait time expires. | 
| E | SynchronousQueue. poll(long timeout,
    TimeUnit unit) | Retrieves and removes the head of this queue, waiting
 if necessary up to the specified wait time, for another thread
 to insert it. | 
| E | BlockingDeque. pollFirst(long timeout,
         TimeUnit unit) | Retrieves and removes the first element of this deque, waiting
 up to the specified wait time if necessary for an element to
 become available. | 
| E | BlockingDeque. pollLast(long timeout,
        TimeUnit unit) | Retrieves and removes the last element of this deque, waiting
 up to the specified wait time if necessary for an element to
 become available. | 
| ScheduledFuture<?> | ScheduledExecutorService. schedule(Runnable command,
        long delay,
        TimeUnit unit) | Submits a one-shot task that becomes enabled after the given delay. | 
| <V> ScheduledFuture<V> | ScheduledExecutorService. schedule(Callable<V> callable,
        long delay,
        TimeUnit unit) | Submits a value-returning one-shot task that becomes enabled
 after the given delay. | 
| ScheduledFuture<?> | ScheduledThreadPoolExecutor. schedule(Runnable command,
        long delay,
        TimeUnit unit) |  | 
| <V> ScheduledFuture<V> | ScheduledThreadPoolExecutor. schedule(Callable<V> callable,
        long delay,
        TimeUnit unit) |  | 
| ScheduledFuture<?> | ScheduledExecutorService. scheduleAtFixedRate(Runnable command,
                   long initialDelay,
                   long period,
                   TimeUnit unit) | Submits a periodic action that becomes enabled first after the
 given initial delay, and subsequently with the given period;
 that is, executions will commence after
 initialDelay, theninitialDelay + period, theninitialDelay + 2 * period, and so on. | 
| ScheduledFuture<?> | ScheduledThreadPoolExecutor. scheduleAtFixedRate(Runnable command,
                   long initialDelay,
                   long period,
                   TimeUnit unit) | Submits a periodic action that becomes enabled first after the
 given initial delay, and subsequently with the given period;
 that is, executions will commence after
 initialDelay, theninitialDelay + period, theninitialDelay + 2 * period, and so on. | 
| ScheduledFuture<?> | ScheduledExecutorService. scheduleWithFixedDelay(Runnable command,
                      long initialDelay,
                      long delay,
                      TimeUnit unit) | Submits a periodic action that becomes enabled first after the
 given initial delay, and subsequently with the given delay
 between the termination of one execution and the commencement of
 the next. | 
| ScheduledFuture<?> | ScheduledThreadPoolExecutor. scheduleWithFixedDelay(Runnable command,
                      long initialDelay,
                      long delay,
                      TimeUnit unit) | Submits a periodic action that becomes enabled first after the
 given initial delay, and subsequently with the given delay
 between the termination of one execution and the commencement of
 the next. | 
| void | ThreadPoolExecutor. setKeepAliveTime(long time,
                TimeUnit unit) | Sets the thread keep-alive time, which is the amount of time
 that threads may remain idle before being terminated. | 
| boolean | Semaphore. tryAcquire(int permits,
          long timeout,
          TimeUnit unit) | Acquires the given number of permits from this semaphore, if all
 become available within the given waiting time and the current
 thread has not been interrupted . | 
| boolean | Semaphore. tryAcquire(long timeout,
          TimeUnit unit) | Acquires a permit from this semaphore, if one becomes available
 within the given waiting time and the current thread has not
 been interrupted . | 
| boolean | LinkedTransferQueue. tryTransfer(E e,
           long timeout,
           TimeUnit unit) | Transfers the element to a consumer if it is possible to do so
 before the timeout elapses. | 
| boolean | TransferQueue. tryTransfer(E e,
           long timeout,
           TimeUnit unit) | Transfers the element to a consumer if it is possible to do so
 before the timeout elapses. |