Package jakarta.validation.constraints
Annotation Interface NotBlank
@Documented
@Constraint(validatedBy={})
@Target({METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER,TYPE_USE})
@Retention(RUNTIME)
@Repeatable(List.class)
public @interface NotBlank
The annotated element must not be 
null and must contain at least one
 non-whitespace character. Accepts CharSequence.- Since:
 - 2.0
 - Author:
 - Hardy Ferentschik
 - See Also:
 
- 
Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic @interfaceDefines several@NotBlankconstraints on the same element. - 
Optional Element Summary
Optional Elements