com.google.gwt.json.client

## Class JSONNull

- java.lang.Object
- - com.google.gwt.json.client.JSONValue
  - - com.google.gwt.json.client.JSONNull

-     public class JSONNull
      extends JSONValue

  Represents the JSON `null` value.

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static JSONNull` | `getInstance()` Returns the singleton null-valued JSON object.
    `(package private) JavaScriptObject` | `getUnwrapper()` Internal.
    `JSONNull` | `isNull()` Returns `this`, as this is a JSONNull.
    `java.lang.String` | `toString()` Returns "null" to allow for formatting `null` values.

    - ### Methods inherited from class com.google.gwt.json.client.JSONValue

      `isArray, isBoolean, isNumber, isObject, isString`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Method Detail

    - #### getInstance

          public static JSONNull getInstance()

      Returns the singleton null-valued JSON object.

    - #### isNull

          public JSONNull isNull()

      Returns `this`, as this is a JSONNull.
      Overrides:
        `isNull` in class `JSONValue`
      Returns:
        a reference to a JSONNull if this JSONValue is a JSONNull or `null` otherwise.

    - #### toString

          public java.lang.String toString()

      Returns "null" to allow for formatting `null` values.
      Specified by:
        `toString` in class `JSONValue`

    - #### getUnwrapper

          JavaScriptObject getUnwrapper()

      Description copied from class: `JSONValue`
      Internal. Returns a JS func that can unwrap this value. Used from native code.
      Specified by:
        `getUnwrapper` in class `JSONValue`