Added in API level 1

java.lang.annotation

Provides library support for the Java programming language annotation facility.

Annotations

Interfaces

Annotation The common interface extended by all annotation interfaces. 

Enums

ElementType The constants of this enumerated class provide a simple classification of the syntactic locations where annotations may appear in a Java program. 
RetentionPolicy Annotation retention policy. 

Exceptions

AnnotationTypeMismatchException Thrown to indicate that a program has attempted to access an element of an annotation whose type has changed after the annotation was compiled (or serialized). 
IncompleteAnnotationException Thrown to indicate that a program has attempted to access an element of an annotation interface that was added to the annotation interface definition after the annotation was compiled (or serialized). 

Errors