Package javax.validation.constraints

Annotation Interface Null

@Target({METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER}) @Retention(RUNTIME) @Documented @Constraint(validatedBy={}) public @interface Null
The annotated element must be null. Accepts any type.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static @interface 
    Null.List
    Defines several Null annotations on the same element.

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    Class<?>[]
    groups
     
    String
    message
     
    Class<? extends Payload>[]
    payload
     

  • Element Details

    • message

      String message
      Default:
      "{javax.validation.constraints.Null.message}"

    • groups

      Class<?>[] groups
      Default:
      {}

    • payload

      Class<? extends Payload>[] payload
      Default:
      {}