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.

That’s about to change. Not only are languages like Java or Python adopting more and more concepts from functional programming. Newer languages like Haskell are going completely functional.

In Functional programming for Java developers, Part 1, I used JavaScript examples to get you started with five functional programming techniques: pure functions, higher-order functions, lazy ...

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 ...