What is Spliterator in Java SE 8? Differences between Iterator and Spliterator in Java SE 8?

Question

What is the equivalent construct of Scala’s Option in Java SE 8? What is the use of Option in Scala?

Answer 1

Spliterator stands for Splitable Iterator. It is newly introduced by Oracle Corporation as part Java SE 8.
Like Iterator and ListIterator, It is also one of the Iterator interface.

SPLITERATOR

1. It is introduced in Java SE 8.
2. Splitable Iterator
3. It is used in Stream API.
4. It uses Internal Iteration concept to iterate Streams.
5. We can use Spliterator to iterate Streams in Parallel and Sequential
   order.
6. We can get Spliterator by calling spliterator() method on Stream
   Object.

ITERATOR

1. It is available since Java 1.2.
2. It is used for Collection API.
3. Non-Splitable Iterator
4. It uses External Iteration concept to iterate Collections.
5. We can use Iterator to iterate Collections only in Sequential order.
6. We can get Iterator by calling iterator() method on Collection
   Object.