@javax.persistence.Id

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Extract of the annotation reference in the Hibernate Developer Guide by example

Extensive, easy-to-follow introduction to Hibernate 3 including complete working examples. Integration of Hibernate with other technologies like Spring, EJB3, Struts and JavaServer Faces (MyFaces) is explained.

It is available as PDF in English language.
A German paper book was published by the Galileo Verlag.

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@javax.persistence.Id

legt fest, dass ein Attribut zum Prim�rschl�ssel geh�rt; Die Annotation wird bei zusammengesetzten Ids vor alle Attribute geschrieben.