$*$Tasks

Modify the Account class.

Implement and test your new subclasses.

Implement a main program which reads commands from a file and carries them out.

Test your program thoroughly. The instructor will use a different bank$2.$txt file to evaluate

your program.

Submit the working classes and main program via the BlackBoard assignment.

$*$Absolute Requirements

$$ The Account class must be an abstract class with two pure virtual functions, closeMonth

and accountString.

$$ The Savings and Checking classes must be subclasses of Account

$$ The bank must handle at least $10$ accounts simultaneously with account numbers $1-9$

$$ Do not duplicate the balance or ID fields in the subclasses

$$ The balance, withdrawal and deposit manipulation must use the methods in the base

class Account.

$$ Each action must display appropriate messages indicating that the action was

completed.

$$ The closeMonth and accountString functions must be called polymorphically. This

means, they are called for each account without checking to see what kind of account it

is being called on$.$

$$ An implication of the last point is that there will be a single array of Account objects,

some of which are Checking accounts and some of which are Savings accounts.

UML

Account

ID: int

Balance: double

$+$Account$()$

$+$Account$($newID: int, initialBalance: double$)$

$+$setID$($newID: int$)$: void

$+$getID$()$ : int

$+$setBalance$($newBalance: double$)$ : void

$+$getBalance$()$ : double

$+$withdraw$($amount: double$)$ : void

$+$deposit$($amount: double$)$ : void

$+$virtual closeMonth$()$ : void

$+$virtual accountString$()$ : string

$-----------------------------------------$

Checking

$+$Checking$($ID: int, Balance: double, minBalance: double, Interest: double$)$

$-$minBalance : double

$-$monthlyFee : double

$+$closeMonth $()$: void

$+$accountString $()$ : string

$-----------------------------------$

Savings

$-$minBalance : double

$-$Interest: double

$+$Saving$($ID: int, double: Balance, double: minBalance, double: Interest$)$

$+$closeMonth $()$ : void

$+$accountString $()$ : string

bank$2.$TXT

Savings $11000\mathrm{.}011000\mathrm{.}004\mathrm{.}0$

Checking $22000\mathrm{.}022500\mathrm{.}006\mathrm{.}95$

Savings $33000\mathrm{.}0320007\mathrm{.}0$

Deposit $111\mathrm{.}11$

Deposit $222\mathrm{.}22$

Withdraw $45000\mathrm{.}00$

Checking $44000\mathrm{.}042000\mathrm{.}0011\mathrm{.}99$

Withdraw $10\mathrm{.}10$

Balance $2$

Withdraw $20\mathrm{.}20$

Deposit $333\mathrm{.}33$

Withdraw $40\mathrm{.}40$

Bad Command $65$

Close

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