Practice Dependency Injection And Inversion Of Control (19) - Dependency Injection and Inversion of Control

Practice: Dependency Injection and Inversion of Control

Lesson 19Dependency Injection and Inversion of Control

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8 questions

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5 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does Dependency Injection (DI) mean?
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Think about the opposite of an object creating its dependencies.
Question 2.
What is Inversion of Control (IoC)?
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Consider how that differs from traditional programming.
3Question 3.
What is a key benefit of Dependency Injection?
- Tight Coupling
- Loose Coupling
- Complexity
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Think about how components interact with each other.
4Question 4.
Inversion of Control implies that the developer controls object creation. (True/False)
- True
- False
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Remember who is managing the object lifecycle.
Question 5.
Create an example of a system using both Constructor and Setter Injection. Discuss the pros and cons of each approach.
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Consider when to use mandatory vs. optional dependencies in your design.
Question 6.
Identify a scenario where over-injection could occur and explain how to resolve it.
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Think about class responsibilities and the Single Responsibility Principle.

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