[Solved] In Spring Boot, what is the primary function of the @Value annotation? — Ans: Inject values from property files or environment variables into fields | Spring Boot

Spring Boot - Spring Annotations

In Spring Boot, what is the primary function of the @Value annotation?

AMark a class as a Spring component

BDefine a new bean in the application context

CInject values from property files or environment variables into fields

DConfigure database connection settings

Step-by-Step Solution

Solution:

Step 1: Understand @Value usage
The @Value annotation is used to inject values from external sources like property files or environment variables into Spring-managed beans.
Step 2: Differentiate from other annotations
It does not define beans (@Bean), mark components (@Component), or configure databases directly.
Final Answer:
Inject values from property files or environment variables into fields -> Option C
Quick Check:
@Value injects external values [OK]

Quick Trick: Inject properties into fields with @Value [OK]

Common Mistakes:

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In Spring Boot, what is the primary function of the @Value annotation?