In terms that an OOP programmer would understand (without any functional programming background), what is a monad? What problem does it solve and what are the most common places it’s used? Update To clarify the kind of understanding I was looking for, let’s say you were converting an FP application that had monads into an … Read more
Since I started learning F# and OCaml last year, I’ve read a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim: Most people I’ve met have read the Design Patterns book by the Gang … Read more
I have heard that the Liskov Substitution Principle (LSP) is a fundamental principle of object oriented design. What is it and what are some examples of its use? 35 s 35
I have had recently two telephone interviews where I’ve been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don’t know what it is. From my experience I … Read more
What is the difference between an abstract method and a virtual method? In which cases is it recommended to use abstract or virtual methods? Which one is the best approach? 2 28 An abstract function cannot have functionality. You’re basically saying, any child class MUST give their own version of this method, however it’s too … Read more
What exactly is the difference between an interface and an abstract class? 3 38
Can someone provide a simple explanation of methods vs. functions in OOP context? 3 39
Inversion of Control (IoC) can be quite confusing when it is first encountered. What is it? Which problem does it solve? When is it appropriate to use and when not? 3 39
