Spring Boot FAQ: Top Questions
22. What is Spring Data JPA and how is it used with Spring Boot?
Spring Data JPA is part of the larger Spring Data family. It simplifies data access layers by reducing boilerplate code when working with JPA-based databases.
πΊοΈ Steps:
- Include
spring-boot-starter-data-jpa
dependency. - Create an Entity and extend
JpaRepository
.
π₯ Example:
@Entity
public class Book {
@Id @GeneratedValue
private Long id;
private String title;
}
public interface BookRepository extends JpaRepository<Book, Long> {}
π Expected Output:
Basic CRUD operations available without implementation.
π οΈ Use Cases:
- Rapid database integration.
- Automatic implementation of repository interfaces.