@CheckReturnValue
    @BackpressureSupport(BackpressureKind.UNBOUNDED_IN)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final T blockingLast() {
        BlockingLastSubscriber<T> s = new BlockingLastSubscriber<T>();
        subscribe(s);
        T v = s.blockingGet();
        if (v != null) {
            return v;
        }
        throw new NoSuchElementException();
    }
@ CheckReturnValue @ BackpressureSupport ( BackpressureKind . UNBOUNDED_IN ) @ SchedulerSupport ( SchedulerSupport . NONE ) public final T blockingLast ( ) { BlockingLastSubscriber < T > s = new BlockingLastSubscriber < T > ( ) ; subscribe ( s ) ; T v = s . blockingGet ( ) ; if ( v != null ) { return v ; } throw new NoSuchElementException ( ) ; }
Returns the last item emitted by this {@code Flowable}, or throws
{@code NoSuchElementException} if this {@code Flowable} emits no items.
<p>
<img width="640" height="315" src="https://github.com/ReactiveX/RxJava/wiki/images/rx-operators/B.last.png" alt="">
<dl>
<dt><b>Backpressure:</b></dt>
<dd>The operator consumes the source {@code Flowable} in an unbounded manner
(i.e., no backpressure applied to it).</dd>
<dt><b>Scheduler:</b></dt>
<dd>{@code blockingLast} does not operate by default on a particular {@link Scheduler}.</dd>
<dt><b>Error handling:</b></dt>
<dd>If the source signals an error, the operator wraps a checked {@link Exception}
into {@link RuntimeException} and throws that. Otherwise, {@code RuntimeException}s and
{@link Error}s are rethrown as they are.</dd>
</dl>

@return the last item emitted by this {@code Flowable}
@throws NoSuchElementException
if this {@code Flowable} emits no items
@see <a href="http://reactivex.io/documentation/operators/last.html">ReactiveX documentation: Last</a>