class CheckingAccount extends Account
{
Money serviceCharge;
CheckingAccount(Money
initialBalance, Money serviceCharge)
{
super(initialBalance);
this.serviceCharge = serviceCharge;
}
boolean cashCheck(Money
amount)
{
return withdraw(amount.add(serviceCharge));
}
(continued next page)
ÒsuperÓ
means Òthe constructor of
the base classÓ.
Additional
variable for the
derived class.
Added service charge