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#include <iostream>
#include <sstream>
#include <string>
using namespace std;
class BankAcct
{
private:
int _acctNum;
double _balance;
public:
BankAcct( int aNum )
//Constructor
//Pre: None
//Post: BankAcct object is created with account number initialized
// to aNum and balance to 0
{
_acctNum = aNum;
_balance = 0;
}
BankAcct( int aNum, double amt )
: _acctNum( aNum ), _balance( amt )
//Constructor
//Pre: None
//Post: BankAcct object is created with account number initialized
// to aNum and balance to amt
{
_acctNum = aNum;
_balance = 0;
}
int withdraw( double amount )
//Withdrawal Public Method
//Pre: amount should be positive
//Post: If amount is <= to the available balance, balance is
// decreased by amount, else balance remain unchanged
//Return: 1 for successful withdrawal, 0 for failure
{
if (_balance < amount)
return 0;
_balance -= amount;
return 1;
}
void deposit( double amount )
//Deposit Public Method
//Pre: amount should be positive
//Post: If amount is is positive, balance is
// increased by amount, else balance remain unchanged
{
if (amount > 0)
_balance += amount;
}
int getAccountNumber( ) const
//Get Account Number Public Method
//Pre: None
//Post: None (this method doesnt change the object)
//Return: Account number is returned
{
return _acctNum;
}
string toString()
//Return Account Information as a string
//Pre: None
//Post: None (this method doesnt change the object)
// Account number and balance are returned as string
{
ostringstream os;
os << "Account Number: " << _acctNum << endl
<< "Balance: " << _balance << endl;
return os.str();
}
};
/*************** End of BankAcct Class definition *********************/
int findBankAcct( BankAcct* baPtrArr[], int size, int targetAcctNum )
//Purpose: Look for bankAcct object with "targetAccNum" as account
// number.
//Pre: baPtrArr[0...size-1] are valid BankAcct pointers
//Post: This function doesnt change the bank account object(s)
//Return:
// - index (0..size-1) of the BankAcct object if found
// - -1, otherwise
{
for ( int i = 0; i < size; i++ )
{
if ((*baPtrArr + i)->getAccountNumber() == targetAcctNum)
return i;
else
return -1;
}
}
void printAllBankAcct( BankAcct* baPtrArr[], int size )
//Purpose: Print out account information for BankAcct objects
//Pre: baPtrArr[0...size-1] are valid BankAcct pointers
//Post: This function doesnt change the bank account object(s)
{
for ( int i = 0; i < size; i++ )
{
cout << (*baPtrArr + i)->toString();
}
}
int main()
{
//Suggested construct to hold 5 bank account objects eventually
BankAcct* baList[5];
int choice; //for user choice
do {
//Print "Menu" and get user choice
cout << "*************************\n";
cout << "* Bank of Heaven *\n";
cout << "*************************\n";
cout << "Service available: \n";
cout << "(1. New Acct, 2. Deposit,";
cout << " 3. Withdrawal, 4. Print All, 5. exit)\n";
cout << "Your choice: ";
cin >> choice;
//Perform appropriate service;
switch( choice ){
case 1: //New Account
{
int i = 0;
BankAcct(90000001+i);
//Print out result and account info
cout << "Result: [" << i+1 << "/5] account created.";
baList[i]->toString();
}
break;
case 2: //Deposit
{
int accNo, accIndex;
double amt;
cout << "Account Number: " <<endl;
cin >> accNo;
cout << "Amount: " << endl;
cin >> amt;
accIndex = findBankAcct(baList,5,accNo);
if (accIndex == -1)
cout << "Invalid acount number!";
else
baList[accIndex]->deposit(amt);
}
break;
case 3: //Withdrawal
break;
case 4: //Print All
break;
case 5: //Exit
break;
default:
cout << "Result: Invalid choice!\n";
}
} while ( choice != 5 );
return 0;
}
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