Knolx Session: Functional Object in Scala

Welcome to another week of KnolX sessions .The emphasis in this session  is on classes that define functional objects, that is,objects that do not have any mutable state.Along the way, this session will  show you more aspects of object-oriented programming in Scala: class parameters and constructors, methods and operators, private members, overriding, checking preconditions, overloading, and self references.