ATM.java

import java.util.Scanner;

class Account {
    private double balance;

    public Account(double balance) {
        this.balance = balance;
    }

    public double getBalance() {
        return balance;
    }

    public void setBalance(double balance) {
        this.balance = balance;
    }

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

    public void withdraw(double amount) {
        if (amount <= balance) {
            balance -= amount;
        } else {
            System.out.println("Insufficient balance!");
        }
    }
}

public class ATM {
    public static void main(String[] args) {
        Account account = new Account(1000.0); // initial balance is 1000
        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("ATM Simulator");
            System.out.println("1. Check Balance");
            System.out.println("2. Deposit");
            System.out.println("3. Withdraw");
            System.out.println("4. Exit");
            System.out.print("Choose an option: ");

            int option = scanner.nextInt();

            switch (option) {
                case 1:
                    System.out.println("Your balance is: " + account.getBalance());
                    break;
                case 2:
                    System.out.print("Enter amount to deposit: ");
                    double depositAmount = scanner.nextDouble();
                    account.deposit(depositAmount);
                    System.out.println("Deposit successful!");
                    break;
                case 3:
                    System.out.print("Enter amount to withdraw: ");
                    double withdrawAmount = scanner.nextDouble();
                    account.withdraw(withdrawAmount);
                    break;
                case 4:
                    System.out.println("Exiting...");
                    return;
                default:
                    System.out.println("Invalid option. Please try again.");
            }
        }
    }
}