src/main/java/io/reactivex/Flowable.java
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Flowable<T> takeLast(int count) {
        if (count < 0) {
            throw new IndexOutOfBoundsException("count >= 0 required but it was " + count);
        } else
        if (count == 0) {
            return RxJavaPlugins.onAssembly(new FlowableIgnoreElements<T>(this));
        } else
        if (count == 1) {
            return RxJavaPlugins.onAssembly(new FlowableTakeLastOne<T>(this));
        }
        return RxJavaPlugins.onAssembly(new FlowableTakeLast<T>(this, count));
    }
@CheckReturnValue
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    public final Flowable<T> takeLast(int count) {
        if (count < 0) {
            throw new IndexOutOfBoundsException("count >= 0 required but it was " + count);
        } else
        if (count == 0) {
            return RxJavaPlugins.onAssembly(new FlowableIgnoreElements<T>(this));
        } else
        if (count == 1) {
            return RxJavaPlugins.onAssembly(new FlowableTakeLastOne<T>(this));
        }
        return RxJavaPlugins.onAssembly(new FlowableTakeLast<T>(this, count));
    }
@ CheckReturnValue @ BackpressureSupport ( BackpressureKind . FULL ) @ SchedulerSupport ( SchedulerSupport . NONE ) public final Flowable < T > takeLast ( int count ) { if ( count < 0 ) { throw new IndexOutOfBoundsException ( "count >= 0 required but it was " + count ) ; } else if ( count == 0 ) { return RxJavaPlugins . onAssembly ( new FlowableIgnoreElements < T > ( this ) ) ; } else if ( count == 1 ) { return RxJavaPlugins . onAssembly ( new FlowableTakeLastOne < T > ( this ) ) ; } return RxJavaPlugins . onAssembly ( new FlowableTakeLast < T > ( this , count ) ) ; }
Returns a Flowable that emits at most the last {@code count} items emitted by the source Publisher. If the source emits fewer than
{@code count} items then all of its items are emitted.
<p>
<img width="640" height="310" src="https://raw.github.com/wiki/ReactiveX/RxJava/images/rx-operators/takeLast.n.png" alt="">
<dl>
<dt><b>Backpressure:</b></dt>
<dd>The operator honors backpressure from downstream if the {@code count} is non-zero; ignores
backpressure if the {@code count} is zero as it doesn't signal any values.</dd>
<dt><b>Scheduler:</b></dt>
<dd>This version of {@code takeLast} does not operate by default on a particular {@link Scheduler}.</dd>
</dl>

@param count
the maximum number of items to emit from the end of the sequence of items emitted by the source
Publisher
@return a Flowable that emits at most the last {@code count} items emitted by the source Publisher
@throws IndexOutOfBoundsException
if {@code count} is less than zero
@see <a href="http://reactivex.io/documentation/operators/takelast.html">ReactiveX operators documentation: TakeLast</a>
Returns a Flowable that emits at most the last { @code count } items emitted by the source Publisher . If the source emits fewer than { @code count } items then all of its items are emitted . <p > <img width = 640 height = 310 src = https : // raw . github . com / wiki / ReactiveX / RxJava / images / rx - operators / takeLast . n . png alt = > <dl > <dt > <b > Backpressure : < / b > < / dt > <dd > The operator honors backpressure from downstream if the { @code count } is non - zero ; ignores backpressure if the { @code count } is zero as it doesn t signal any values . < / dd > <dt > <b > Scheduler : < / b > < / dt > <dd > This version of { @code takeLast } does not operate by default on a particular { @link Scheduler } . < / dd > < / dl >