gatherers become an obvious and welcome addition to the Stream API. Java streams model dynamic collections of elements. As the spec says, “A stream is a lazily computed, potentially unbounded ...

When you work with the JDK's Streams API and Lambda functions ... Predicate's test method is evaluated when it's used in a Stream or a lambda call. Figure 1: JavaDoc list of the five methods of the ...

Furthermore, a variety of methods in the Java Stream API take the functional Consumer interface as an argument, inclusing methods such as collect, forEach and peek. There are only a few key intefaces ...