What is the dependency inversion principle and why is it important?

Question

What is the dependency inversion principle and why is it important?

Answer 1

Dependency inversion: Depend on abstractions, not on concretions.

Inversion of control: Main vs Abstraction, and how the Main is the glue of the systems.

These are some good posts talking about this:

https://coderstower.com/2019/03/26/dependency-inversion-why-you-shouldnt-avoid-it/

https://coderstower.com/2019/04/02/main-and-abstraction-the-decoupled-peers/

https://coderstower.com/2019/04/09/inversion-of-control-putting-all-together/