import java.math.BigDecimal;
public class DollarAccount extends BankAccount
{
    static private long toCents(long units, int cents) {
        return 100*units+cents;
    }

    public DollarAccount()
    {
        super(0);
    }

    public DollarAccount(long units, int cents) {
        super(toCents(units,cents));
    }

    public void deposit(long units, int cents) {
        super.deposit(toCents(units,cents));
    }

    // what happens if we try to override getBalance
    public BigDecimal getBalance() {
        BigDecimal cents = new BigDecimal(super.getBalance());
        return cents.scaleByPowerOfTen(-2);
    }


}