Home Depot Interview Questions and Answers

Use @Embeddable and @EmbeddedId annotations to create a composite key in Spring Boot

• Create a new class for the composite key and annotate it with @Embeddable

• Define the composite key fields within the new class

• In the entity class, use @EmbeddedId annotation to reference the composite key class

Exception handling in Spring Boot involves using @ControllerAdvice, @ExceptionHandler, and ResponseEntity.

• Use @ControllerAdvice to define global exception handling for all controllers

• Use @ExceptionHandler to handle specific exceptions in individual controllers

• Return ResponseEntity with appropriate status codes and error messages