Reactive Java:
reactivemanifesto.org
Async facde - design pattern
Java implementations:
Rx Java from Netflix
Spring 5
JSR 166 in jdk 9
WWW.reactive-streams.org
Very.X 3.0
mvnrepository.org
Observable pattern
Server is producer or observables and client is consumer or subscriber
It is one way communication where server can communicate to client but client cannot communicate to server except about subscription or unsubscription
Hot and Cold observable
We can merge multiple observables into 1 and subscribe to that new combined custom observable.
