Practice What Is Dependency Injection (di)? (19.2) - Dependency Injection and Inversion of Control

Practice: What is Dependency Injection (DI)?

Lesson 19.2Dependency Injection and Inversion of Control

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9 questions

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2 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is Dependency Injection?
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Think about how a remote gets batteries.
Question 2.
Explain loose coupling in your own words.
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How do independent components make maintenance easier?
3Question 3.
What does DI stand for?
- Dynamic Injection
- Dependency Injection
- Direct Injection
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It's a widely used term in software development.
4Question 4.
True or False: Dependency Injection creates dependencies internally.
- True
- False
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Think about the analogy of a remote and batteries.
Question 5.
Design a simple Java application that implements Dependency Injection with both constructor and setter methods. Explain your code.
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Focus on how the objects interact and how dependencies are injected.
Question 6.
Consider a scenario where too many dependencies are injected into a single class. Discuss the potential impact and provide recommendations to resolve it.
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Think about how responsibilities should be managed within code.

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