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Reactivity is a powerful idiom for describing and combining functionality like web requests and data access. In general, we use producers and subscribers to describe asynchronous event sources and ...

It's a tall order to expect anyone to sit through all of the keynotes at a conference like JavaOne. It's not that they're tedious or boring; it's just that there are a lot of them. So for those who ...

To test out RxJava, we’ll write a command-line application that watches the public event stream developed by CoinCap. This event stream provides a WebSocket API, which is like a firehouse of ...

There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package contains well over 40 different components, but ...