[Solved] Given this Spring Boot bean definition:@Bean @ConditionalOnProperty(name = "app.... }What happens if the property app.feature=disabled is set in application.properties? | Spring Boot

Spring Boot - Advanced Patterns

Given this Spring Boot bean definition:

@Bean
@ConditionalOnProperty(name = "app.feature", havingValue = "enabled")
public Service myService() {
    return new Service();
}

What happens if the property app.feature=disabled is set in application.properties?

AThe bean <code>myService</code> is created and available

BThe bean is created but disabled

CApplication fails to start with error

DThe bean <code>myService</code> is NOT created

Step-by-Step Solution

Solution:

Step 1: Understand the condition
The bean is created only if app.feature equals "enabled".
Step 2: Check the property value
The property is set to "disabled", which does not match "enabled".
Final Answer:
The bean myService is NOT created -> Option D
Quick Check:
Property mismatch = no bean creation [OK]

Quick Trick: Bean creates only if property matches havingValue exactly [OK]

Common Mistakes:

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