Additional Notes
How would you explain the design downside of field injection in an interview?
Track: Java
Topic: Dependency Injection
Focus: Constructor vs Field Injection
Java: Constructor vs Field Injection
Answer
It hides dependencies and makes direct testing and reasoning harder.
Field injection can work, but it obscures what the class requires. That often pushes tests toward framework setup and makes the collaboration graph less obvious to readers.
Field injection can work, but it obscures what the class requires. That often pushes tests toward framework setup and makes the collaboration graph less obvious to readers.
Topics: Constructor vs Field Injection Dependency Injection Java