Which of the following is the correct way to declare a global exception handler method inside a @ControllerAdvice class?

easy📝 Syntax Q12 of 15

Spring Boot - Exception Handling

Which of the following is the correct way to declare a global exception handler method inside a @ControllerAdvice class?

A@Service public String handleError() { return "error"; }

B@ExceptionHandler(Exception.class) public String handleError() { return "error"; }

C@GetMapping public String handleError() { return "error"; }

D@RequestMapping("/error") public String handleError() { return "error"; }

Step-by-Step Solution

Solution:

Step 1: Identify the annotation for exception handling
The correct annotation to handle exceptions globally is @ExceptionHandler with the exception class specified.
Step 2: Check method signature and annotation usage
@ExceptionHandler(Exception.class) public String handleError() { return "error"; } uses @ExceptionHandler(Exception.class) which is correct inside a @ControllerAdvice class to catch all exceptions.
Final Answer:
@ExceptionHandler(Exception.class) public String handleError() { return "error"; } -> Option B
Quick Check:
@ExceptionHandler = global exception method [OK]

Quick Trick: Use @ExceptionHandler with exception class inside @ControllerAdvice [OK]

Common Mistakes:

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