@param zeroChar the character to use for the digit of zero
@param positiveSignChar the character to use for the positive sign
@param negativeSignChar the character to use for the negative sign
@param decimalPointChar the character to use for the decimal point
Restricted constructor.
@param zeroChar the character to use for the digit of zero @param positiveSignChar the character to use for the positive sign @param negativeSignChar the character to use for the negative sign @param decimalPointChar the character to use for the decimal point