Which of the following is the correct way to enable @ConfigurationProperties support in a Spring Boot application?

easy📝 Syntax Q12 of 15

Spring Boot - Application Configuration

Which of the following is the correct way to enable @ConfigurationProperties support in a Spring Boot application?

AAdd <code>@SpringBootApplication</code> on the properties class

BAdd <code>@EnableConfigurationProperties</code> on a configuration class or main class

CAdd <code>@RestController</code> on the properties class

DAdd <code>@ComponentScan</code> on the properties class

Step-by-Step Solution

Solution:

Step 1: Identify how to activate configuration properties
Spring Boot requires @EnableConfigurationProperties on a configuration or main class to enable binding of @ConfigurationProperties classes.
Step 2: Review other annotations
@ComponentScan scans components but does not enable properties binding. @RestController is for web controllers. @SpringBootApplication is for main app class but does not alone enable properties binding.
Final Answer:
Add @EnableConfigurationProperties on a configuration class or main class -> Option B
Quick Check:
Enable config properties = D [OK]

Quick Trick: Use @EnableConfigurationProperties to activate property binding [OK]

Common Mistakes:

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