Uses of Interface

Packages that use Annotation
Contains classes related to developing beans -- components based on the JavaBeans architecture.
Provides for system input and output through data streams, serialization and the file system.
Provides classes that are fundamental to the design of the Java programming language.
Provides library support for the Java programming language annotation facility.
Provides classes and interfaces for obtaining reflective information about classes and objects.
Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
Interfaces used to model elements of the Java programming language.
Interfaces used to model Java programming language types.
Provides the core classes for the Java Management Extensions.
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.