Design Patterns · Senior · Question 59 of 75

What does the Stable Dependencies Principle say?

✓Correct answer: Depend in the direction of stability: volatile modules should depend on stable ones, not the other way around
2Never update dependencies
3All modules must have the same stability

Explanation

If a stable, widely used module depends on a volatile one, every change ripples through many dependents.

Further reading

Wikipedia: Package principles ↗

Test yourself

Take the Design Patterns · Senior quiz: questions and options are shuffled, and you get a review of your mistakes at the end.