Itqualityassurance
- How do you create a one to many relationship in JPA?
- How get data from many-to-many relationship in JPA?
How do you create a one to many relationship in JPA?
Create an entity class Student. java under com. javatpoint. mapping package that contains student id (s_id), student name (s_name) with @OneToMany annotation that contains Library class object of List type.
How get data from many-to-many relationship in JPA?
Implementation in JPA. Modeling a many-to-many relationship with POJOs is easy. We should include a Collection in both classes, which contains the elements of the others. After that, we need to mark the class with @Entity and the primary key with @Id to make them proper JPA entities.
