bank.cpp

#include <iostream>
#include <vector>

using namespace std;

class BankAccount {
    private:
        string accountHolder; // Attribute
        double balance; // Attribute
        int accountNumber; // Attribute
    public:
        BankAccount(string accountHolder, double balance, int accountNumber) { // Constructor
            this->accountHolder = accountHolder; // this is a pointer to the current object
            this->balance = balance; // this is a pointer to the current object
            this->accountNumber = accountNumber; // this is a pointer to the current object
        };
        void deposit(double amount) { // Method
            balance += amount; // balance = balance + amount
        };
        void withdraw(double amount) { // Method
            balance -= amount; // balance = balance - amount
        };
        double getBalance() { // Method
            return this->balance;
        };
        int getAccountNumber() { // Method
            return this->accountNumber;
        };
        string getAccountHolder() { // Method
            return this->accountHolder;
        };
};

class Bank {
    private:
        vector<BankAccount> accounts; // create a list of BankAccount objects using the vector class
    public:
        void addAccount(BankAccount account) {
            accounts.push_back(account); // add account to the list of accounts using the push_back method which adds an element to the end of the vector
        };
        BankAccount* findAccount(string accountHolder) {
            for (int i = 0; i < accounts.size(); i++) { // loop through the list of accounts
                if (accounts[i].getAccountHolder() == accountHolder) { // check if the account holder matches the account holder passed in
                    return &accounts[i];
                }
            }
            return nullptr; // return null pointer if no account is found
        };
        void displayAccounts() {
            for (int i = 0; i < accounts.size(); i++) {
                cout << "Account Holder: " << accounts[i].getAccountHolder() << endl;
                cout << "Balance: " << accounts[i].getBalance() << endl;
            }
        };
};