package hello;

import java.util.*;

public class Atm {

private static class ATM {

private int balance = 5000;

private static int password = 1991;

public int getBalance() {

return balance;

}

public void deposit(int amount) {

if (amount > 0) {

balance += amount;

System.out.println("Deposit successful. Current balance: " + balance);

} else {

System.out.println("Invalid deposit amount");

}

}

public void withdraw(int amount) {

if (amount <= 0) {

System.out.println("Invalid withdrawal amount");

} else if (balance >= amount) {

balance -= amount;

int gst = amount * 2 / 100;

balance -= gst;

System.out.println("Withdrawal successful. GST (2%): " + gst);

System.out.println("Current balance: " + balance);

} else {

System.out.println("Insufficient balance");

}

}

public boolean verifyPassword(int input) {

return input == password;

}

public void changePassword(int newPassword) {

password = newPassword;

System.out.println("Password updated successfully");

}

}

public static void main(String[] args) {

ATM atm = new ATM();

Scanner sc = new Scanner(System.in);

boolean sessionActive = true;

System.out.println("Enter the User Name:");

String username = sc.nextLine();

if (!username.equals("chaitanya")) {

System.out.println("Invalid username");

return;

}

while (sessionActive) {

System.out.println("ENTER THE PASSWORD:");

int pin = sc.nextInt();

if (!atm.verifyPassword(pin)) {

System.out.println("Wrong password. Transaction cancelled.");

continue;

}

System.out.println("__WELCOME__");

System.out.println("\nWelcome to --------BANK OF INDIA-------:");

System.out.println("1. Check the balance");

System.out.println("2. Deposit the amount");

System.out.println("3. Withdraw the amount");

System.out.println("4. Send Money");

System.out.println("5. Change Password");

System.out.println("6. Exit");

System.out.println("___________________________________");

System.out.println("ENTER YOUR CHOICE:");

int choice = sc.nextInt();

// ...existing code...

}

}

}