Andrew, you have just said what needs to be said about DI that for
some reason it seems like nobody else on earth ever says -- no, they
have to write some giant screed that includes references to Hollywood.
No wonder technology sucks, when the people writing the tutorials
can't even explain things well. Many thanks for your post.
(I did already grok DI, but seriously, the tutorials I've ever seen
have always been insane.)
> Dependecy injection is nothing more than the difference between this:
>
> public class Bosh {
> private final Dependecy dep = new DependencyImpl();
> }
>
> and this:
>
> public class Bosh {
> private final Dependecy dep;
> public Bosh(Dependency dep) { this.dep = dep; }
> }
>
> In both cases Bosh needs a Dependency. It depends on having one. In
> the first case the actual implementation is hard coded. In the second
> the implementation is provided, or to put it another way, the
> dependency is injected.
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