Waits if necessary for the computation to complete, and then
retrieves its result.
@return the computed result
@throws CancellationException if the computation was cancelled
@throws ExecutionException if the computation threw an
exception
@throws InterruptedException if the current thread is not a
member of a ForkJoinPool and was interrupted while waiting
Waits if necessary for the computation to complete, and then retrieves its result.
@return the computed result @throws CancellationException if the computation was cancelled @throws ExecutionException if the computation threw an exception @throws InterruptedException if the current thread is not a member of a ForkJoinPool and was interrupted while waiting