Practice Main Class (19.6.4) - Dependency Injection and Inversion of Control

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9 questions

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

Question 1.
What is the purpose of the Main Class in a Spring application?
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Think about where execution starts.
Question 2.
Define a Spring Bean.
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Consider object management and lifecycle.
3Question 3.
What does the Main Class do in a Spring application?
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Consider what happens when you run your application.
4Question 4.
True or False: Beans are defined using annotations only in Spring.
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Recall the different methods of configuration we discussed.
Question 5.
Design a Spring application with a User class that has a dependency on a DatabaseService. Write both XML and annotation-based configurations.
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Remember the key points of DI and how to specify dependencies in both formats.
Question 6.
Explain how changing the scope of a bean affects the behavior of your application. Provide an example using singleton and prototype scopes.
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Consider how instances are managed in each case.

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