## Relevant articles:

- [Dealing with Backpressure with RxJava](http://www.baeldung.com/rxjava-backpressure)
- [How to Test RxJava?](http://www.baeldung.com/rxjava-testing)
- [Implementing Custom Operators in RxJava](http://www.baeldung.com/rxjava-custom-operators)
