Spring Boot REST API Interview Q&A – Mostly Asked in MNCs

1. Write me an API to implement CRUD Operation.

2. Have you ever implemented versioning in your REST APIs? Can you explain the approach you followed?

3. How do you test your Spring Boot API on a different port and switch from HTTP to HTTPS?

4. How do you handle nested objects in Spring Boot, and how are they bound in REST API responses?

5. If a nullable column exists in the database but is not defined in the entity class, will Hibernate throw an error while saving the entity or save it?

6. Can you list the main HTTP methods and HTTP status codes used in REST APIs.