calculateCheckDigit function

String calculateCheckDigit(
  1. String iban
)

Implementation

String calculateCheckDigit(String iban) {
  final String reformattedIban = replaceCheckDigit(iban, DEFAULT_CHECK_DIGIT);
  final int modResult = calculateMod(reformattedIban);
  final String checkDigit = (98 - modResult).toString();

  return checkDigit.padLeft(2, "0");
}