1 @Entity
 2 public class User {
 3    public Long getId() { ... }
 4    public String getUsername() { ... }
 5    public UserInfo getUserInfo() { ... }
 6 }
 7 
 8 @Entity
 9 public class UserInfo {
10    public String getFirstName() { ... }
11    public String getLastName() { ... }
12 }