Can anyone explain to me, at length, how to use IOC containers?

Question

I use dependency injection through parameters and constructors extensively. I understand the principle to this degree and am happy with it. On my large projects, I end up with t

Answer 1

Jeremy Frey misses one of the biggest reasons for using an IOC container: it makes your code easier to mock and test.

Encouraging the use of interfaces has lots of other nice benefits: better layering, easier to dynamically generate proxies for things like declarative transactions, aspect-oriented programming and remoting.

If you think IOC is only good for replacing calls to "new", you don't get it.