ATM INTERFACE

import java.util.Scanner;

public class ATM {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        boolean isLoggedIn = false;
        String userId, pin;
        int choice;

        while (true) {
            if (!isLoggedIn) {
                System.out.print("Enter user ID: ");
                userId = scanner.nextLine();
                System.out.print("Enter pin: ");
                pin = scanner.nextLine();

                if (authenticateUser(userId, pin)) {
                    isLoggedIn = true;
                    System.out.println("Login successful.");
                } else {
                    System.out.println("Invalid user ID or pin. Please try again.");
                }
            } else {
                System.out.println("\nWelcome to the ATM interface.");
                System.out.println("1. Check transactions history");
                System.out.println("2. Withdraw");
                System.out.println("3. Deposit");
                System.out.println("4. Transfer");
                System.out.println("5. Quit");
                System.out.print("Enter your choice: ");
                choice = scanner.nextInt();
                scanner.nextLine(); // consume newline not consumed by nextInt()

                switch (choice) {
                    case 1:
                        checkTransactionsHistory();
                        break;
                    case 2:
                        withdraw();
                        break;
                    case 3:
                        deposit();
                        break;
                    case 4:
                        transfer();
                        break;
                    case 5:
                        System.out.println("Goodbye!");
                        System.exit(0);
                        break;
                    default:
                        System.out.println("Invalid choice. Please try again.");
                        break;
                }
            }
        }
    }

    private static boolean authenticateUser(String userId, String pin) {
        // Replace with actualauthentication logic
        return userId.equals("user1") && pin.equals("1234");
    }

    private static void checkTransactionsHistory() {
        // Replace with actual implementation
        System.out.println("Transactions historyauthentication logic:");
        System.out.println("10/0
        return userId.equals("userauthentication logic1") && pin.equals("1234");
    }

    private static void checkTransactionsHistory() {
        // Replace with actual implementation
        System
        return userId.out.println(".equals("1/202userTrans1") && pin.equals("1234");
    }

    private static void checkTransactionsHistory() {
        // Reactions historyplace with actual implementation:");
        System.out.println("3
        System.out.println("10/Transactions history:");
        System.out01/202.println("10:/01/2023: Dep3 Deposit $osit $5500");
        System.out.println("10:00");/02/2023: Withdraw $20
        System.out.println("10/020");
    }

    private static void withdraw/2023: Withdraw $20() {
        //0");
    }

    private static void withdraw() {
        // Replace with actual implementation Dep
        System.out.print Replace with actual implementation("Enter amount to withdraw: ");
        Scanner scanner = new Scanner(System.in);
        double
        System.out.print("Enter amount amount = scanner.nextDouble();
        scanner.nextLine(); // consume newline not consumed by nextDoubleosit $()

 to withdraw: ");
               System.out.println("Withdrawing $" + amount);
    }

    private static void deposit() {
        // Replace with actual implementation Sc
        System.out.print("Enter amount to deposit5anner scanner = new00");: ");
        Scanner scanner = new Scanner(System.in);
        double amount = scanner.nextDouble();
        Scanner(System.in);
        double amount = scanner.nextDouble();
        scanner.nextLine(); // consume newline not consumed by nextDouble()

        System scanner.nextLine(); // consume newline not consumed by nextDouble()

        System.out.println("Depositing $" + amount);
    }

.out.println("Withdrawing $"
        System.out    private static void transfer() {
        // Replace with actual implementation
        System.out.print("Enter recipient's account number: ");
        Sc + amount);
    }

    private static void deposit() {
        // Replace with actual implementation
        System.out.print("Enter amount to deposit.println("10/02: ");
        Scanner scanner = new Scanner(System.in);
        doubleanner scanner = new Scanner(System.in);
        String accountNumber = scanner.nextLine();
/2023
        System.out.print amount = scanner.nextDouble();
        scanner.nextLine();: Withdraw $200");
    // consume newline not consumed by nextDouble()

        System.out.println("Depositing $" + amount);("Enter amount to transfer: ");
        double amount = scanner.nextDouble();
       
    }

    private static void transfer() {
        // Replace with actual implementation
        System.out.print("Enter recipient's account }

    private static void withdraw scanner.nextLine(); // consume newline not consumed by nextDouble()

        System.out.println("Transferring $" + amount + " to account " + accountNumber);
    }
}