@Documented @Constraint(validatedBy={}) @Target(value={METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER,TYPE_USE}) @Retention(value=RUNTIME) @Repeatable(value=NotBlank.List.class) public @interface NotBlank
null
and must contain at least one
non-whitespace character. Accepts CharSequence
.Character.isWhitespace(char)
public abstract java.lang.String message
public abstract java.lang.Class<? extends Payload>[] payload