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Jakarta Persistence (JPA) Annotation Type jakarta.persistence. MapKeyTemporal Implemented ... of type Date and Calendar . It may only be specified for map keys of these types. The MapKeyTemporal ... with the ElementCollection , OneToMany , or ManyToMany annotation. Example: @OneToMany @ MapKeyTemporal (DATE

Jakarta Persistence (JPA) Method in jakarta.persistence. MapKeyTemporal TemporalType value (Required) The type used in mapping java.util.Date or java.util.Calendar . Since: Jakarta Persistence (JPA) 1.0

. MapKeyTemporal ; import javax.persistence.OneToMany; import javax.persistence.Persistence; import javax ... ; @OneToMany   @ MapKeyTemporal (TemporalType.DATE)   private Map addressHistory = new HashMap