Practice Field Injection (19.3.3) - Dependency Injection and Inversion of Control

Practice: Field Injection

Lesson 19.3.3Dependency Injection and Inversion of Control

Practise this section

8 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is field injection?
Show hintHide hint
Think about how a class receives its dependencies.
Question 2.
Give an example of an annotation used for field injection.
Show hintHide hint
Recall the common dependency injection frameworks.
3Question 3.
What does field injection simplify in code?
- Testing
- Setup
- Documentation
Show hintHide hint
Think about what makes field injection appealing.
4Question 4.
True or False: Field injection is the best method for all types of dependencies.
- True
- False
Show hintHide hint
Consider when it's appropriate to use field injection.
Question 5.
Design a simple application using field injection. Describe its classes and how the dependencies are managed.
Show hintHide hint
Focus on how the Spring container injects dependencies directly into your Car class.
Question 6.
Analyze a provided code example that uses field injection and identify potential improvements.
Show hintHide hint
Ask yourself whether every injected dependency is a must-have for the object's functionality.

4 more questions in this section. Enroll free to practise them all.