Mark Heckler is a principal technologist and Spring developer advocate who gave a presentation on full stack reactive Java using Spring Framework 5, Spring Boot 2, and Project Reactor. The presentation introduced reactive programming concepts like non-blocking and event-driven applications, backpressure, and the four interfaces of the Reactive Streams specification - Publisher, Subscriber, Subscription, and Processor. It also provided an overview of Project Reactor and examples of reactive coding.

1. Full Stack Reactive Java
With Spring Framework 5, Spring Boot 2, & Project Reactor
Mark Heckler
Principal Technologist, Spring Developer Advocate
www.thehecklers.com
mark@thehecklers.com
mheckler@pivotal.io
@mkheck

2. @mkheck @projectreactor
Who am I?
• Author
• Speaker
• Architect & Developer
• Java Champion
• Seeker of a better way

3. @mkheck @projectreactor
–Rossen Stoyanchev, Project Reactor team
“In a nutshell reactive programming is about
non-blocking, event-driven applications that
scale with a small number of threads with
backpressure as a key ingredient that
aims to ensure producers
do not overwhelm consumers.”

4. @mkheck @projectreactor
Reactive Streams: 4 interfaces
Publisher<T>
Subscriber<T>
Subscription
Processor<T,R>

5. @mkheck @projectreactor
Project Reactor: a quick overview

6. @mkheck @projectreactor
Let’s code!

7. @mkheck @projectreactor
Helpful resources
http://www.reactive-streams.org
https://projectreactor.io
https://github.com/mkheck/flux-flix-intro
https://github.com/joshlong/flux-flix-service

8. @mkheck @projectreactor
Thanks for coming!
@mkheck
mark@thehecklers.com
mheckler@pivotal.io

9. @mkheck @springboot @kotlin
Thanks for coming, stay in touch!
@mkheck
mark@thehecklers.com
mheckler@pivotal.io