javax.validation.constraints
Annotation Type Null

@Target(value={METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER})
@Retention(value=RUNTIME)
@Documented
@Constraint(validatedBy={})
public @interface Null

The annotated element must be null. Accepts any type.

Author:

Emmanuel Bernard

Optional Element Summary

Class<?>[]	groups
String	message
Class<? extends Payload>[]	payload

message

public abstract String message

Default:

"{javax.validation.constraints.Null.message}"

groups

public abstract Class<?>[] groups

Default:

{}

payload

public abstract Class<? extends Payload>[] payload

Default:

{}