Java Annotations: Difference between revisions
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=Custom Annotations= | =Custom Annotations= | ||
Annotation type declarations are similar to normal interface declarations. An at-sign (@) precedes the interface keyword. Each method declaration defines an element of the annotation type. Method declarations must not have any parameters or a throws clause. Return types are restricted to primitives, String, Class, enums, annotations, and arrays of the preceding types. Methods can have default values. | Annotation type declarations are similar to normal interface declarations. An at-sign (@) precedes the interface keyword. | ||
Each method declaration defines an element of the annotation type. Method declarations must not have any parameters or a throws clause. Return types are restricted to primitives, String, Class, enums, annotations, and arrays of the preceding types. | |||
Methods can have default values. | |||
Revision as of 02:59, 1 November 2018
Internal
Overview
Custom Annotations
Annotation type declarations are similar to normal interface declarations. An at-sign (@) precedes the interface keyword.
Each method declaration defines an element of the annotation type. Method declarations must not have any parameters or a throws clause. Return types are restricted to primitives, String, Class, enums, annotations, and arrays of the preceding types.
Methods can have default values.