Spring Core – Page 9 – Sharp: NCLEX, Java & Python

Java: DTOs and Entities

How do Proxy objects work in Spring AOP?

Why return DTOs from controllers instead of exposing entities directly?

Why can transaction self-invocation be problematic in Spring?

Which scope of a Spring Bean and its implication is the default in Java?

When should you use a prototype scope in Spring?

Why does a @Configuration class in Spring matter in practice?

Why is field injection often discouraged in Spring?

How can you handle transaction self-invocation in a Spring application?

Why does a @Service in Spring architecture matter in this design?

How would you explain the use of @ComponentScan in a Spring Boot application in an interview?