At the very heart of reactive programming is the idea of event streams. Streams can represent any kind of flow of data, from network activity to simple things like lines in a text file.

Spring Framework 5 provides a choice of two web stacks, Servlet and Reactive, available side by side. This reflects a big, general shift towards asynchronous, non-blocking concurrency in applications.

I would say [reactive programming is becoming important now] because of the explosion in cores on CPUs. You’re no longer able to stick your logic on a single thread and have that be the most ...

Reactive programming, along with a great deal of advocacy for integrating the Observable design pattern into reactive architectures, was all the rage at the O'Reilly Fluent 2016 conference in San ...