## Core Java 9

This module contains articles about Java 9 core features

### Relevant Articles:

- [Method Handles in Java](http://www.baeldung.com/java-method-handles)
- [Introduction to Chronicle Queue](http://www.baeldung.com/java-chronicle-queue)
- [Optional orElse Optional](http://www.baeldung.com/java-optional-or-else-optional)
- [Iterate Through a Range of Dates in Java](https://www.baeldung.com/java-iterate-date-range)
- [Initialize a HashMap in Java](https://www.baeldung.com/java-initialize-hashmap)
- [Immutable Set in Java](https://www.baeldung.com/java-immutable-set)
- [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional)

Note: also contains part of the code for the article
[How to Filter a Collection in Java](https://www.baeldung.com/java-collection-filtering).