This webrev include changes for

JDK-8012650 : Arrays streams methods
JDK-8011918 : java.util.stream.Streams

JDK-8012650 introduces

Arrays.setAll(T, IntFunction<T>) and primitive variants for {int, long, double}
Arrays.parallelSetAll - parallel version of setAll
Arrays.stream - generate stream from an array or a segment of the array

JDK-8011918 introduces

Interface StreamBuilder
Following static methods for Stream and primitive variants for {int, long, double}
    StreamBuilder builder()
    Stream<T> empty()
    Stream<T> of(T)
    Stream<T> of(T...)
    Stream<T> iterate(T, UnaryOperator<T>)
    Stream<T> generate(Supplier<T>)

    range(startInclusive, endExclusive, step) for primitive stream
Streams class for helpers for stream operation