![]() ![]() Import abstract class Project int projectId Project entity is the root of the entity inheritance. See the following fragment of code that shows you the Project entity. The Id annotation may be applied in an entity or mapped superclass. If the property-access based is used, the properties of the primary key class must be public or Id annotation specifies the primary key property or field of an entity.If the composite primary key class is mapped to multiple fields or properties of the entity class, the names of primary key field or properties in the primary class and those of the entity class must correspond and their types must be the same. ![]()
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