I’m trying to get my head around mutable vs immutable objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I’m having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever … Read more
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the difference between these two ways of programming? I know it depends on user requirements to … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 3 years ago. Improve this question When modelling classes, what is the preferred way of initializing: Constructors, or Factory Methods And what … Read more
What is the dependency inversion principle and why is it important? 16 Answers 16
I have problems understanding the statement low in coupling and high in cohesion. I have googled and read a lot about this, but still finding it hard to understand. To what I understand is High cohesion means, that we should have classes that are specialized to perform a particular function. Hope this is correct? Like … Read more
In Domain Driven Design, there seems to be lots of agreement that Entities should not access Repositories directly. Did this come from Eric Evans Domain Driven Design book, or did it come from elsewhere? Where are there some good explanations for the reasoning behind it? edit: To clarify: I’m not talking about the classic OO … Read more
Like most developers here and in the entire world, I have been developing software systems using object-oriented programming (OOP) techniques for many years. So when I read that aspect-oriented programming (AOP) addresses many of the problems that traditional OOP doesn’t solve completely or directly, I pause and think, is it real? I have read a … Read more
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago. Improve this question What are the differences between these programming paradigms, and are they better suited to particular … Read more
I have a struct and I would like it to be initialised with some sensible default values. Typically, the thing to do here is to use a constructor but since go isn’t really OOP in the traditional sense these aren’t true objects and it has no constructors. I have noticed the init method but that … Read more
This question already has answers here: What is the difference between association, aggregation and composition? (20 answers) Closed 8 years ago. What is the difference between aggregation, composition and dependency? 7 Answers 7
