code: public JSONArray getJSONArray(String name) throws JSONException {
  		Object object = get(name);
  		if (object instanceof JSONArray) {
  			return (JSONArray) object;
  		}
  		else {
  			throw JSON.typeMismatch(name, object, "JSONArray");
  		}
  	}
docs: Returns the value mapped by {@code name} if it exists and is a {@code
  JSONArray}.
  @param name the name of the property
  @return the value
  @throws JSONException if the mapping doesn't exist or is not a {@code
  JSONArray}.