What are the differences between the Strategy design pattern and the State design pattern? I was going through quite a few articles on the web but could not make out the difference clearly. Can someone please explain the difference in layman’s terms? 21 Answers 21
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 2 years ago. Improve this question Design patterns are usually related to object oriented design. Are there design patterns for creating … Read more
When is it a good idea to use factory methods within an object instead of a Factory class? 18 Answers 18
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 3 years ago. Improve this question I keep seeing references to the visitor pattern in blogs but I’ve got to admit, … Read more
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Both patterns seem like an implementation of the principle of inversion of control. That is, that an object should not know how to construct its dependencies. Dependency Injection (DI) seems to use a constructor or setter to “inject” it’s dependencies. Example of using Constructor Injection: //Foo Needs an IBar public class Foo { private IBar … Read more
Closed. This question is opinion-based. It is not currently accepting answers. Closed 8 years ago. This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. I have read around 4-5 books on design patterns, but still I don’t feel I have come … Read more
I was looking at the Proxy Pattern, and to me it seems an awful lot like the Decorator, Adapter, and Bridge patterns. Am I misunderstanding something? What’s the difference? Why would I use the Proxy pattern versus the others? How have you used them in the past in real world projects? 13 Answers 13
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 is the basic difference between the Factory and Abstract Factory Patterns? 19 s 19 … Read more
I’m trying to get my head around how to properly use the repository pattern. The central concept of an Aggregate Root keeps coming up. When searching both the web and Stack Overflow for help with what an aggregate root is, I keep finding discussions about them and dead links to pages that are supposed to … Read more
