atm.java

import java.util.Scanner;

class ATM {
    private double balance;

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

    public double checkBalance() {
        return balance;
    }

    public void deposit(double amount) {
        balance += amount;
        System.out.println("Deposited: $" + amount);
    }

    public void withdraw(double amount) {
        if (amount > balance) {
            System.out.println("Insufficient funds");
        } else {
            balance -= amount;
            System.out.println("Withdrawn: $" + amount);
        }
    }
}

public class atm {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        ATM atm = new ATM(1000); // Initial balance $1000

        while (true) {
            System.out.println("\nATM Menu:");
            System.out.println("1. Check Balance");
            System.out.println("2. Deposit");
            System.out.println("3. Withdraw");
            System.out.println("4. Exit");
            System.out.print("Enter your choice: ");

            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    System.out.println("Current Balance: $" + atm.checkBalance());
                    break;
                case 2:
                    System.out.print("Enter deposit amount: $");
                    double depositAmount = scanner.nextDouble();
                    atm.deposit(depositAmount);
                    break;
                case 3:
                    System.out.print("Enter withdrawal amount: $");
                    double withdrawAmount = scanner.nextDouble();
                    atm.withdraw(withdrawAmount);
                    break;
                case 4:
                    System.out.println("Thank you for using the ATM. Goodbye!");
                    System.exit(0);
                default:
                    System.out.println("Invalid choice. Please enter a number between 1 and 4.");
            }
        }
    }
}