Transfiguration of the Reactive Landscape

The fact that JDK 9 includes the Reactive Streams specification enforces its significance, and it has started to change the industry. The leaders in the Open Source Software industry (such as Netflix, Red Hat, Lightbend, MongoDB, Amazon, and others) have started adopting this excellent solution in their products.

RxJava transfiguration

In this way, RxJava provides an additional module that allows us to easily convert one reactive type into another. Let's look at how to convert Observable<T> to Publisher<T> and adopt rx.Subscriber<T> to org.reactivestreams.Subscriber<T>.

Suppose we have an application that uses RxJava 1.x and Observable as the...