public function get($key)
	{
		if(($key === NULL) || $key === '')
		{
			throw new JSONException('Null key.');
		}
		
		$object = $this->opt($key);
		
		if($object == NULL)
		{
			throw new JSONException('JSONArray[' . JSONObject::quote($key) . '] not found.');
		}
		
		return $object;
	}