devxlogo

How to define an auto-incremented identifier via JPA annotations

How to define an auto-incremented identifier via JPA annotations

For defining an auto-incremented identifier in an entity we need the @Id annotation and the IDENTITY generator as follows:

@Entity
public class User implements Serializable {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    …
}

devxblackblue

About Our Editorial Process

At DevX, we’re dedicated to tech entrepreneurship. Our team closely follows industry shifts, new products, AI breakthroughs, technology trends, and funding announcements. Articles undergo thorough editing to ensure accuracy and clarity, reflecting DevX’s style and supporting entrepreneurs in the tech sphere.

See our full editorial policy.

About Our Journalist