[Solved] In Spring Boot, what is the primary role of a class annotated with @Component? — Ans: It marks the class as a candidate for auto-detection and dependency injection. | Spring Boot

Spring Boot - Inversion of Control and Dependency Injection

In Spring Boot, what is the primary role of a class annotated with @Component?

AIt marks the class as a candidate for auto-detection and dependency injection.

BIt configures the class as a REST controller.

CIt disables component scanning for the class.

DIt automatically creates a database table for the class.

Step-by-Step Solution

Solution:

Step 1: Understand @Component
The @Component annotation indicates that the class is a Spring-managed bean.
Step 2: Role in Spring Boot
Spring Boot scans for classes annotated with @Component to register them as beans for dependency injection.
Final Answer:
It marks the class as a candidate for auto-detection and dependency injection. -> Option A
Quick Check:
Does @Component register the class as a bean? Yes [OK]

Quick Trick: @Component marks classes for Spring bean detection [OK]

Common Mistakes:

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In Spring Boot, what is the primary role of a class annotated with @Component?