ATM.java

//TASK 4- ATM INTERFACE
import java.util.Scanner;

class BankAccount {
    private double balance;

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

    public double getBalance() {
        return balance;
    }

    public void deposit(double amount) {
        balance += amount;
        System.out.println("Deposit successful. Current balance: " + balance);
    }

    public boolean withdraw(double amount) {
        if (amount > balance) {
            System.out.println("Insufficient funds. Withdrawal failed.");
            return false;
        } else {
            balance -= amount;
            System.out.println("Withdrawal successful. Current balance: " + balance);
            return true;
        }
    }
}

public class ATM {
    private static BankAccount userAccount;

    public static void main(String[] args) {
        userAccount = new BankAccount(1000.0);

        Scanner sc = new Scanner(System.in);

        while (true) {
            System.out.println("********* WELCOME TO ATM *********");
            System.out.println("ATM 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("Choose an option: ");

            int choice = sc.nextInt();

            switch (choice) {
                case 1:
                    System.out.println("Current balance: " + userAccount.getBalance());
                    break;

                case 2:
                    System.out.print("Enter deposit amount: ");
                    double depositAmount = sc.nextDouble();
                    userAccount.deposit(depositAmount);
                    break;

                case 3:
                    System.out.print("Enter withdrawal amount: ");
                    double withdrawalAmount = sc.nextDouble();
                    userAccount.withdraw(withdrawalAmount);
                    break;

                case 4:
                    System.out.println("Exiting ATM. Thank you!");
                    sc.close();
                    System.exit(0);

                default:
                    System.out.println("Invalid choice. Please choose a valid option.");
            }
        }
    }
}