How can you programmatically check which Spring profile is currently active inside a Spring Boot component?

hard📝 Application Q9 of 15

Spring Boot - Docker and Deployment

ACheck system environment variables directly

BInject <code>Environment</code> and call <code>getActiveProfiles()</code>

CRead <code>application.properties</code> file manually

DUse <code>@Profile</code> annotation on the component

Step-by-Step Solution

Solution:

Step 1: Recall Spring's Environment abstraction
Spring provides an Environment object to access active profiles programmatically.
Step 2: Use getActiveProfiles() method
Calling getActiveProfiles() on Environment returns the list of active profiles.
Final Answer:
Inject Environment and call getActiveProfiles() -> Option B
Quick Check:
Use Environment.getActiveProfiles() to check profiles [OK]

Quick Trick: Inject Environment and call getActiveProfiles() [OK]

Common Mistakes:

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