Practice Best Practices For Using Di (19.9) - Dependency Injection and Inversion of Control

Practice: Best Practices for Using DI

Lesson 19.9Dependency Injection and Inversion of Control

Practise this section

11 questions

Flashcard drill
5 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
5 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the preferred method for injecting mandatory dependencies in DI?
Show hintHide hint
Think of the first step in creating an object.
Question 2.
Why should field injection be avoided in business logic?
Show hintHide hint
Consider how clear the dependencies are in your code.
3Question 3.
Which injection method is preferred for mandatory dependencies?
- Setter Injection
- Field Injection
- Constructor Injection
Show hintHide hint
What do you think is best suited for essential components?
4Question 4.
True or False: Field Injection allows for clearer dependency tracking.
- True
- False
Show hintHide hint
Think about visibility of what a class needs.
Question 5.
Create a class diagram for a Dependency Injection setup that demonstrates constructor injection with minimal dependencies.
Show hintHide hint
Consider what makes each class operate independently without excessive dependencies.
Question 6.
Analyze a code segment where field injection is used and identify potential pitfalls related to testing and maintenance.
Show hintHide hint
Think of how you'd test that class in isolation.

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