How can you globally handle a custom exception named OrderNotFoundException in a Spring Boot REST application to return a 404 status?

hard📝 Application Q9 of 15

Spring Boot - Exception Handling

ACreate a @ControllerAdvice class with a @ExceptionHandler method returning ResponseEntity with 404 status

BThrow the exception and rely on default 500 error handling

CCatch the exception in every controller method manually

DUse @RestController annotation on the exception class

Step-by-Step Solution

Solution:

Step 1: Understand global exception handling
@ControllerAdvice allows centralized exception handling across controllers.
Step 2: Use @ExceptionHandler for custom exception
Define a method annotated with @ExceptionHandler(OrderNotFoundException.class) that returns 404 status.
Final Answer:
Create a @ControllerAdvice class with a @ExceptionHandler method returning ResponseEntity with 404 status -> Option A
Quick Check:
Use @ControllerAdvice + @ExceptionHandler for global handling [OK]

Quick Trick: Use @ControllerAdvice and @ExceptionHandler for global exception handling [OK]

Common Mistakes:

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