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Why does Spring Boot prioritize command line arguments over environment variables and property files?

hard📝 Conceptual Q10 of 15
Spring Boot - Application Configuration
Why does Spring Boot prioritize command line arguments over environment variables and property files?
ABecause property files are read last
BBecause environment variables are deprecated
CTo improve application startup speed
DTo allow quick runtime overrides without changing files
Step-by-Step Solution
Solution:

  1. Step 1: Understand purpose of command line arguments

    They allow users to override configuration quickly when starting the app without editing files.

  2. Step 2: Reason why this is prioritized

    This flexibility helps in testing and deployment scenarios where quick changes are needed.

  3. Final Answer:

    To allow quick runtime overrides without changing files -> Option D

  4. Quick Check:

    Command line args = quick overrides [OK]
Quick Trick: Command line args enable fast config changes [OK]
Common Mistakes:
  • Thinking environment variables are deprecated
  • Believing startup speed is the reason

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