Providing the validation function as a first class function (i.e. something you can put in a variable) is just fine, Java just makes it a bit harder (and seem way harder because lots of old ...

I'm trying to create a "Controllable" interface, that allows a "Controller" object to manipulate the value of generic Controllable objects' variables. Since the Controllable objects are typically ...

Functions are fundamental to code organization; they exist in all higher order programming languages. Generally, functional programming means using functions to the best effect for creating clean and ...