Simple Bank

import java.util.Scanner;

public class SimpleBank {
    private String accountNumber;
    private double balance;

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

        System.out.print("Enter account number: ");
        accountNumber = scanner.nextLine();

        System.out.print("Enter initial balance: ");
        balance = scanner.nextDouble();
    }

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

        System.out.print("Enter the amount to deposit: ");
        double amount = scanner.nextDouble();

        balance += amount;
        System.out.println("Deposit successful. New balance: " + balance);
    }

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

        System.out.print("Enter the amount to withdraw: ");
        double amount = scanner.nextDouble();

        if (balance >= amount) {
            balance -= amount;
            System.out.println("Withdrawal successful. New balance: " + balance);
        } else {
            System.out.println("Insufficient funds. Withdrawal failed.");
        }
    }

    public void displayAccountInfo() {
        System.out.println("Account Number: " + accountNumber);
        System.out.println("Balance: " + balance);
    }

    public static void main(String[] args) {
        SimpleBank bank = new SimpleBank();
        bank.createAccount();

        System.out.println("Select an option:");
        System.out.println("1. Deposit");
        System.out.println("2. Withdraw");

        Scanner scanner = new Scanner(System.in);
        int choice = scanner.nextInt();

        if (choice == 1) {
            bank.deposit();
        } else if (choice == 2) {
            bank.withdraw();
        } else {
            System.out.println("Invalid choice.");
        }

        bank.displayAccountInfo();
    }
}