How can I implement validation in a Spring Boot REST API?
An example of an AI chatbot conversation about implementing validation in Spring Boot REST APIs.
How can I implement validation in a Spring Boot REST API?
You can use annotations like @Valid and @NotNull in your model classes to enforce validation rules.
Can you give me an example of how to use @Valid?
Sure! You can annotate your request body with @Valid in your controller method to trigger validation.
What happens if validation fails?
If validation fails, Spring will throw a MethodArgumentNotValidException, and you can handle it to return a custom error response.
How can I customize the error messages?
You can customize error messages by using the message attribute in your validation annotations or by creating a custom validator.
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