Spring Boot - Aspect-Oriented Programming
Which annotation is used in Spring Boot to define an aspect for cross-cutting concerns?
Which annotation is used in Spring Boot to define an aspect for cross-cutting concerns?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall Spring AOP annotations
Spring Boot uses Aspect-Oriented Programming (AOP) to implement cross-cutting concerns, and the key annotation to define an aspect is@Aspect.Step 2: Differentiate from other annotations
@Controller is for web controllers, @Service for service layer, and @Repository for data access. None of these define aspects.Final Answer:
@Aspect -> Option AQuick Check:
Aspect annotation = @Aspect [OK]
Quick Trick: Use @Aspect to mark cross-cutting concern classes [OK]
Common Mistakes:
- Choosing @Controller or @Service by mistake
- Confusing @Aspect with @Component
- Not knowing which annotation defines an aspect
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