Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java Welcome back to this two-part tutorial ...

Elliott Rusty Harold is blogging that functional programming in Java is dangerous . He's wrong, and he's way late to the party on this one--it's coming to Java whether he likes it or not.

Lambda expressions are lightweight, highly concise anonymous methods backed by functional interfaces in Java 8. You can use them to leap forward into a whole new world of programming in Java. With ...

The functional Predicate interface gets used extensively by the Java 8 Streams API. Any developer who wants to master functional programming in Java will need to be comfortable with the Predicate ...

The Java language and virtual machine are almost two decades old, and while most developers would recognize the old and new models of Java as being related, there's no question that Java has changed ...