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70
votes
4answers
11k views

Difference between Dependency Injection (DI) & Inversion of Control (IOC)

I've been seeing a lot of references of Dependency Injection (DI) & Inversion Of Control (IOC), but I don't really know if there is a difference between them or not. I would like to start using ...
35
votes
6answers
6k views

Single Responsibility Principle - How Can I Avoid Code Fragmentation?

I'm working on a team where the team leader is a virulent advocate of SOLID development principles. However, he lacks a lot of experience in getting complex software out of the door. We have a ...
40
votes
4answers
4k views

What is inversion of control, and when should I use it?

I am designing a new system and I want to know what inversion of control (IOC) is, and more importantly, when to use it. Does it have to be implemented with interfaces or can be done with classes?
1
vote
2answers
340 views

IoC containers and service locator pattern

I am trying to get an understanding of Inversion of Control and the dos and donts of this. Of all the articles I read, there is one by Mark Seemann (which is widely linked to in SO) which strongly ...