Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java ...

Consumer<String> consumer = (s) -> System.out. println (s); The compiler analyzes the previous declaration and determines that the java.util.function.Consumer predefined functional interface’s ...