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TemporalType injection with Calendar using JPA

injects the version value into that field. Version fields should be treated as read only by

.persistence.TypedQuery; @Stateless public class GuestDao { // Injected database connection ... > Manages the instantiation of the EJB class and injects an instance of the EJB class ... ). Prepares an EntityManager automatically and injects it into the 

GuestDao { // Injected database connection: @PersistenceContext private EntityManager em ... : Manages the instantiation of the DAO component class and injects ... > Prepares an EntityManager automatically and injects it into the em

; @Component public class GuestDao { // Injected database connection: @PersistenceContext ... component class and injects an instance of the DAO component class into the controller, as shown in the next step. Prepares an EntityManager automatically and injects

; @Stateless public class GuestDao { // Injected database connection: @PersistenceContext ... class and injects an instance of the EJB class into the servlet (as shown in the automatically and injects it into the em field (because it is annotated with the

; // Injected DAO EJB: @EJB GuestDao guestDao; @Override protected void doGet ... are carried on by the GuestDao session bean, which is instantiated and injected by

{ private static final long serialVersionUID = 1L; // Injected DAO EJB: @EJB GuestDao guestDao ... , which is instantiated and injected by the application server into the guestDao field

/dao">GuestDao component is automatically constructed and injected by Spring into

Spring to support annotations (for components, controllers and transactions), to inject a JPA