30.4.2. Spring Core Concepts

Try these first

1. 1.

   Define Inversion of Control in your own words.

   Hint

   Think about who manages object creation.

2. 2.

   What is a Spring Bean?

   Hint

   Consider what Spring does with Java objects.

3. 3.

   What is the primary purpose of Dependency Injection?

   • To control the application flow
   • To manage dependencies
   • To simplify configuration

   Hint

   Focus on what DI achieves.

4. 4.

   True or False: Inversion of Control puts the control of object creation back into the hands of the developer.

   • True
   • False

   Hint

   Think about who handles object management.

5. 5.

   Implement a simple Spring Boot application with a Service and Repository using DI to manage dependencies.

   Hint

   Check how to use @Autowired.

6. 6.

   Discuss the advantages of using Java-based configuration over XML for setting up beans in Spring.

   Hint

   Reflect on how code structure can influence maintainability.