The Dependency Inversion Principle states that the high level modules in an application should not depend on the low level modules; both should rather depend on abstractions.

I've read lots of explanations of Dependency Injection or DI (formerly known as Inversion of Control) and the associated Hollywood Principle ("Don't call us, we'll call you."). They all tend to be ...

In my last article, I detailed a high-level comparison of two dependency injection frameworks: Guice and Spring. As I mentioned then, although they both fully embrace the principles of DI, they have ...