Spring Boot - Inversion of Control and Dependency Injection
Which annotation should you use to indicate that a class should be managed as a bean by Spring Boot's IoC container?
Which annotation should you use to indicate that a class should be managed as a bean by Spring Boot's IoC container?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify bean registration annotation
@Component marks a class as a Spring-managed bean.Step 2: Exclude other annotations
@RequestMapping is for web endpoints, @Entity for JPA entities, @EnableAutoConfiguration for config.Final Answer:
@Component -> Option CQuick Check:
@Component registers beans [OK]
Quick Trick: @Component registers a class as a Spring bean [OK]
Common Mistakes:
- Confusing @Entity with bean registration
- Using web-related annotations for bean declaration
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