Java – Page 43 – Sharp: NCLEX, Java & Python

Java: Controllers, Services, Repositories

Why is business logic isolated in the @Service layer?

How does @Repository contribute to data access isolation?

How would you explain the use of the @Scope annotation in Spring in an interview?

What happens if a Singleton bean is injected with a Prototype bean?

Why can using a Prototype bean within a Singleton without proper management become a problem in practice?

Why is it important to manage state within a Singleton bean carefully?

What scope should be used for beans that maintain state specific to a user's session?

Why is Singleton the default scope in Spring?

What risks do stateful variables in a Singleton service pose?

Why is method-scope variable usage safe in a Singleton bean?