@Override
    public Object get(int index) {
        return adaptResult(list.get(index));
    }
Returns a double value at the specified location in this {@link com.alibaba.fastjson.JSONArray}.

@param index index of the element to return
@return double
@throws NumberFormatException If the value of get is {@link String} and it contains no parsable double
@throws JSONException Unsupported type conversion to double value
@throws IndexOutOfBoundsException if the index is out of range {@code (index < 0 || index >= size())}
fastjson1-compatible/src/main/java/com/alibaba/fastjson/JSONArray.java