Spring Core – Page 8 – Sharp: NCLEX, Java & Python

Java: DTOs and Entities

Why avoid exposing the password field in APIs?

How do DTOs support API versioning?

Why return DTOs from controllers instead of exposing entities directly?

Why is it a risk to expose database Entities in a Spring API?

What role do DTOs play in a Spring Boot application?

How do DTOs help prevent sensitive data leaks?

What are the consequences of serialization boundaries in Spring?

Why is constructor injection favored in Spring Boot?

What's a common mistake with Bean scopes in Spring?

Why can self-invocation fail for @Transactional methods?