Spring Boot - Inversion of Control and Dependency Injection
Which annotation should you use to automatically register a class as a Spring Bean during component scanning?
Which annotation should you use to automatically register a class as a Spring Bean during component scanning?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Understand component scanning
Spring scans for classes annotated with stereotypes to register them as Beans.Step 2: Identify the annotation for automatic detection
@Component is the generic stereotype annotation for automatic detection and registration.Final Answer:
@Component -> Option BQuick Check:
@Component marks classes for auto-detection [OK]
Quick Trick: @Component enables automatic bean registration [OK]
Common Mistakes:
- Using @Bean which is for method-level bean definitions
- Confusing @Service as the only annotation for beans
- Mistaking @Configuration as a bean marker
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