Method fromArray

src/main/java/io/reactivex/rxjava3/core/Flowable.java:2185–2199

Converts an array into a Publisher that emits the items in the array. Backpressure: The operator honors backpressure from downstream and ite

(@NonNull T... items)

     * @see <a href="http://reactivex.io/documentation/operators/from.html">ReactiveX operators documentation: From</a>
     */
    @CheckReturnValue
    @NonNull
    @BackpressureSupport(BackpressureKind.FULL)
    @SchedulerSupport(SchedulerSupport.NONE)
    @SafeVarargs
    public static <@NonNull T> Flowable<T> fromArray(@NonNull T... items) {
        Objects.requireNonNull(items, "items is null");
        if (items.length == 0) {
            return empty();
        }
        if (items.length == 1) {
            return just(items[0]);
        }
        return RxJavaPlugins.onAssembly(new FlowableFromArray<>(items));
    }

    /**
     * Returns a {@code Flowable} that, when a {@link Subscriber} subscribes to it, invokes a function you specify and then