The scala map function converts one collection A to another B by applying a function to every element in A .

Simply put, you can call the map function on your collection, pass it a function, or an anonymous…

Scala Options

Everybody who has ever worked in Java has come across the NullPointerException. The NullPointerException is a kind of runtime exception you get when a method actually returns a null value and your code was not…

What is a State Machine

Before delving into Replicated State Machines, let us first understand what a State Machine is. A state machine reads a series of inputs. Every time it reads an input, it sheds its old state and goes into a new one. Each state knows…