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How does the @ControllerAdvice annotation enhance error handling in Spring Boot applications?

easy📝 Conceptual Q2 of 15
Spring Boot - Exception Handling
How does the @ControllerAdvice annotation enhance error handling in Spring Boot applications?
ABy converting exceptions into checked exceptions
BBy restricting exception handling to a single controller
CBy automatically logging all exceptions without custom code
DBy enabling global exception handling across multiple controllers
Step-by-Step Solution
Solution:

  1. Step 1: Role of @ControllerAdvice

    @ControllerAdvice allows defining exception handlers that apply to all controllers globally.

  2. Step 2: Why global handling matters

    This reduces the need to duplicate error handling code in each controller.

  3. Final Answer:

    By enabling global exception handling across multiple controllers -> Option D

  4. Quick Check:

    @ControllerAdvice is for global handling [OK]
Quick Trick: @ControllerAdvice applies handlers globally [OK]
Common Mistakes:
  • Believing it limits handling to one controller
  • Assuming it automatically logs exceptions

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