Practice Key Concepts In Ioc/di Containers (19.8) - Dependency Injection and Inversion of Control

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10 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.
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Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a bean in the context of IoC?
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Think about how the object is handled by the framework.
Question 2.
What does the container do?
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Recall what happens when you create or retrieve a bean.
3Question 3.
What does a bean represent in the IoC container?
- A configuration file
- A managed object
- An external resource
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Think about what the container is responsible for.
4Question 4.
True or False: Autowiring is a manual process in DI.
- True
- False
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Is autowiring something you do by hand?
Question 5.
Design a simple Spring configuration and explain the implications of selecting singleton vs prototype for your beans.
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Consider the example of user sessions.
Question 6.
Imagine a scenario where autowiring fails. Describe the symptoms and how you would troubleshoot the issue.
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Reflect on the container's dependency resolution process.

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