Spring Core – Page 11 – Sharp: NCLEX, Java & Python

Java: Controllers, Services, Repositories

What are the consequences of using prototype scope in a multi-threaded environment?

Why is @ComponentScan used in a Spring Boot application?

How would you explain a common pitfall of using field injection in an interview?

How do @RestController and @Service differ in a Spring Boot app?

Why do teams use constructor injection in Spring in production code?

Why should service beans avoid stateful variables?

What belongs in the service layer during a checkout request?

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

What problem can occur when a transaction-managed method calls another method in the same class?

How can you resolve transaction self-invocation issues in Spring?