Spring Boot - Spring Annotations
What is the main purpose of the
@Value annotation in Spring Boot?What is the main purpose of the @Value annotation in Spring Boot?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the role of
@Value@Valueis used to inject configuration values like those fromapplication.propertiesinto Spring beans.Step 2: Compare with other options
Defining beans, handling HTTP requests, and database connections are done by other annotations or classes, not@Value.Final Answer:
To inject values from configuration files into Spring beans -> Option DQuick Check:
@Value injects config values = A [OK]
Quick Trick: Remember: @Value pulls config values into your code [OK]
Common Mistakes:
- Confusing @Value with @Bean or @Autowired
- Thinking @Value handles HTTP or DB tasks
- Ignoring that @Value reads from properties
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