task3

import java.util.Scanner;

class Task3 {
    private double balance;

    public BankAccount(double initialBalance) {
        balance = initialBalance;
    }

    public double getBalance() {
        return balance;
    }

    public void deposit(double amount) {
        balance += amount;
    }

    public boolean withdraw(double amount) {
        if (balance >= amount) {
            balance -= amount;
            return true;
        } else {
            return false;
        }
    }
}

public class ATM {
    private BankAccount account;

    public ATM(BankAccount account) {
        this.account = account;
    }

    public void displayMenu() {
        System.out.println("Welcome to the ATM!");
        System.out.println("1. Check Balance");
        System.out.println("2. Deposit");
        System.out.println("3. Withdraw");
        System.out.println("4. Exit");
    }

    public void run() {
        Scanner scanner = new Scanner(System.in);

        while (true) {
            displayMenu();
            System.out.print("Enter your choice: ");
            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    checkBalance();
                    break;
                case 2:
                    deposit();
                    break;
                case 3:
                    withdraw();
                    break;
                case 4:
                    System.out.println("Thank you for using the ATM!");
                    scanner.close();
                    return;
                default:
                    System.out.println("Invalid choice. Please try again.");
            }
        }
    }

    public void checkBalance() {
        double balance = account.getBalance();
        System.out.println("Your account balance is: $" + balance);
    }

    public void deposit() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the amount to deposit: $");
        double amount = scanner.nextDouble();
        account.deposit(amount);
        System.out.println("$" + amount + " has been deposited into your account.");
    }

    public void withdraw() {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter the amount to withdraw: $");
        double amount = scanner.nextDouble();

        if (account.withdraw(amount)) {
            System.out.println("$" + amount + " has been withdrawn from your account.");
        } else {
            System.out.println("Insufficient funds. Withdrawal failed.");
        }
    }

    public static void main(String[] args) {
        BankAccount userAccount = new BankAccount(1000.0); // Initialize with a balance of $1000
        ATM atm = new ATM(userAccount);
        atm.run();
    }
}