C++ Bank Account Program

#include "BankAccount.h"
#include "CheckingAccount.h"
#include <iostream>
#include <iomanip>
 
using namespace std;
 
int main ()
{
 BankAccount b;
 CheckingAccount c;
 b.setBankAccount("Jane", "Doe", 123456);
 b.printBankAccount();
 char choice;
 
 
            
do{
   cout << "Please select a banking activity" << endl;
   cout << "1.  Deposit"  << endl;
   cout << "2.  Withdrawal" << endl;
   cout << "3.  Account Balance" << endl;
   cout << "4.  Exit" << endl;
   cout << endl;
   cout << " Please enter a choice number -->>  ";
 
choice=toupper(getchar());
switch(choice)
{
	double dep, withdraw;
case '1':
	cout <<"Enter amount of money to deposit:"<< endl;
	cin>>dep;
	cout <<"New Balance: "<<c.balance + dep<<endl;
case '2':
	c.balance;
	if
		(c.balance <= 0) cout << "Invalid Funds, Please make another selection.";
	else {
		cout <<"How much would you like to withdrawal?"<<endl;
		cin>>withdraw;
		cout<<"New Balance: $"<<c.balance - withdraw<<endl;
	}
case '3':
	c.balance;
case '4':
default:
	cout<<"Invalid menu item...Please re-enter your choice"<<endl;
 
 
while(choice != 4);              
 
return 0;
}
 
#include <iostream>
#include <iomanip>
 
using namespace std;
 
class BankAccount
{
public:
	void setBankAccount(string fName, string lName, int acctNum);
	void printBankAccount() const;
	
private:
	string firstName;
	string lastName;
	int accountNumber;
};
 
 
void BankAccount::setBankAccount(string fName, string lName, int acctNum)
{
	firstName = fName;
	lastName = lName;
	accountNumber = acctNum;
}
 
void BankAccount::printBankAccount() const
{
	cout<<"Hello, "<<firstName<<" "<<lastName<<" Account Number: "<<accountNumber<<endl;
}
 
#include <iostream>
#include <iomanip>
 
using namespace std;
 
class CheckingAccount
{
 
public:
static double balance;	
};
 
double CheckingAccount::balance = 500.00;