# Package jakarta.annotation

package jakarta.annotation

- Related Packages
  Package
  Description
  jakarta.annotation.security
  jakarta.annotation.sql
- Class
  Description
  Generated
  Used to identify generated code.
  ManagedBean
  Deprecated, for removal: This API element is subject to removal in a future version.
  This will be removed no earlier than Jakarta EE 11.
  Nonnull
  Added to indicate an element may not be null.
  Nullable
  Added to indicate an element may be null.
  PostConstruct
  Added to a method required to be called after the object has been constructed and before it used.
  PreDestroy
  Added to a method required to be called once the object is no longer required and before it is discarded.
  Priority
  Used to define the order in which classes or parameters should be used.
  Resource
  Indicates a resource required by the application.
  Resource.AuthenticationType
  The AuthenticationType, either CONTAINER or APPLICATION
  Resources
  Used when multiple `Resource` annotations are required.