What strategies do you use to write unit tests for your Spring components? Illustrate with a specific example from your experience.

## What to Cover Discuss the frameworks used for unit testing (e.g., JUnit, Mockito), how you isolate components, and importance of testing business logic. ## Strong Answer Framework Describe the process of selecting what to test and why, and discuss outcomes of your tests. ## Watch Out For Avoid vague descriptions; concrete examples showcasing results are more impactful.