9.7. Annotations

An annotation is a modifier consisting of the name of an annotation type (§9.6) and zero or more element-value pairs, each of which associates a value with a different element of the annotation type.

The purpose of an annotation is simply to associate information with the annotated program element.

Annotations must contain an element-value pair for every element of the corresponding annotation type, except for those elements with default values, or a compile-time error occurs.

Annotations may, but are not required to, contain element-value pairs for elements with default values.

Annotations may be used as modifiers in any declaration, whether package (§7.4.1), class (§8.1.1) (including enums (§8.9)), interface (§9.1.1) (including ...

Get The Java® Language Specification, Java SE 7 Edition, Fourth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.