In the Stream API, streams begin with a source of events, and operations like filter and map ... The java.util.stream.Gatherers interface comes with a handful of built-in functions that enable ...

There were a lot of new interfaces introduced in Java 8 to make working with Streams and lambda expressions possible. But, most of those functions are simply just derivations of these five basic ...

You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...