NullString

```
@Retention(RUNTIME)
@Inherited
@Target({FIELD,METHOD,ANNOTATION_TYPE})
public @interface NullString
```
Indicates that parsed values such as "", "?" or "null" should be interpreted as null. If a parsed value exists in nulls(), then the field must be set to null.
A NullStringConversion will be assigned to this field
Commonly used for java beans processed using BeanProcessor and/or BeanWriterProcessor

Author:

Univocity Software Pty Ltd - parsers@univocity.com

See Also:

Conversion, Conversions, BeanProcessor, BeanWriterProcessor

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.String[] nulls
  A set of Strings that represent a null value instead of a valid String (e.g.

- Element Detail
  - nulls
```
java.lang.String[] nulls
```
    A set of Strings that represent a null value instead of a valid String (e.g. "?", "empty", "null" )
    
    Returns:
    
    Strings that represent null