Object-Oriented Programming (OOP) has well established design principles, such as SOLID. For many developers, architecture and functional programming are at odds with each other: They do not know how their existing tricks of the trade convert into functional design. This problem becomes worse as hybrid languages such as Scala, Java 8, and Ruby become more and more common. This webcast reveals how functional programming can help viewers implement the SOLID design principles, as well as how a functional mindset is actually advantageous for achieving the holy grail of OOP: Encapsulation.