# Null class

The reserved word `null` denotes an object that is the sole instance of this class.

It is a compile-time error for a class to attempt to extend or implement Null.

## Properties

hashCode → int
  The hash code for this object. [...]
  read-only
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited

## Methods

toString() → String
  Returns the string `"null"`.
noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited

## Operators

operator ==(dynamic other) → bool
  The equality operator. [...]
  inherited