Bird
0
0

How can you override a property defined in application.properties using command line when starting a Spring Boot app?

hard📝 Application Q9 of 15
Spring Boot - Fundamentals
How can you override a property defined in application.properties using command line when starting a Spring Boot app?
Ajava -jar app.jar -Dproperty.name=value
Bjava -jar app.jar --property.name=value
Cjava -jar app.jar /property.name=value
Djava -jar app.jar property.name=value
Step-by-Step Solution
Solution:

  1. Step 1: Understand Spring Boot command line overrides

    Spring Boot accepts property overrides with --property.name=value syntax.

  2. Step 2: Compare options

    Only java -jar app.jar --property.name=value uses the correct double dash prefix for property override.

  3. Final Answer:

    Override with --property.name=value on command line -> Option B

  4. Quick Check:

    Command line override = --property.name=value [OK]
Quick Trick: Use --property.name=value to override properties [OK]
Common Mistakes:
  • Using -D for Spring Boot properties
  • Missing dashes before property
  • Passing property without prefix

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Spring Boot Quizzes
Application Configuration - @ConfigurationProperties for type-safe config - Quiz 4medium Application Configuration - application.properties structure - Quiz 3easy Exception Handling - Why centralized error handling matters - Quiz 5medium Inversion of Control and Dependency Injection - @Component annotation - Quiz 8hard Inversion of Control and Dependency Injection - Bean concept in Spring - Quiz 1easy Logging - Why logging matters - Quiz 3easy REST Controllers - @RequestParam for query strings - Quiz 3easy Request and Response Handling - JSON serialization with Jackson - Quiz 3easy Spring Annotations - @Scope for bean scope - Quiz 2easy Spring Boot Fundamentals - How auto-configuration works - Quiz 9hard