The return type in Java precedes the prototype ... The language also supports higher-order functions, anonymous functions, lambdas, inline functions, closures, tail recursion, and generics.

A callback operation in Java is one function that is passed to another ... we will pass the Consumer functional interface and an anonymous inner class (implementation without a name) to implement ...

This discussion on the etymology of lambda functions is interesting, but the real question is how these mathematical concepts translate into Java. When you first learn to use lambda expressions, ...