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Id (Java EE 5 SDK) - Java Platform, Enterprise Edition v5.0 API Specifications

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javax.persistence
Annotation Type Id

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@Target(value={METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface Id

Specifies the primary key property or field of an entity.

   Example:

   @Id
   public Long getId() { return id; }
 

Since:

Java Persistence 1.0

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