CRUD Service Layers
Implement a service layer that provides CRUD operations for entities.
Intro
Service layer sits between controller and repository. It centralizes business logic.
Code: User entity
We continue with the User entity defined earlier.
import jakarta.persistence.*;@Entity
public class User {
@Id @GeneratedValue
private Long id;
private String name;
// getters/setters omitted
}
All lessons in this course
- JPA/H2 & Repositories
- CRUD Service Layers
- Error Handling & Advice