Blog post series
This blog post is part of a series about legacy coderetreat and legacy code techniques you can apply during your work. Please click to see more sessions about legacy code.
As you found out from the previous post, it would be a good idea to refactor in a safe way. This session is about another concept that will prepare for the tough refactorings ahead.
Dependency inversion is one way of transforming a tightly coupled system into a system that has a core and many small external dependencies. These external dependencies can be called also plugins.