*     a length of zero or cannot be parsed as an integer value
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 11.0
   */
  @CheckForNull
  public static Integer tryParse(String string) {
    return tryParse(string, 10);
  }

  /**
   * Parses the specified string as a signed integer value using the specified radix. The ASCII