yashoda84 / atm-projects- Goto Github PK

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

public double getBalance() {
    return balance;
}

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

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

public ATM(BankAccount account) {
    this.account = account;
    this.scanner = new Scanner(System.in);
}

public void displayMenu() {
    System.out.println("Welcome to the ATM");
    System.out.println("1. Check Balance");
    System.out.println("2. Deposit");
    System.out.println("3. Withdraw");
    System.out.println("4. Exit");
    System.out.print("Enter your choice: ");
}

public void processChoice(int choice) {
    switch (choice) {
        case 1:
            checkBalance();
            break;
        case 2:
            deposit();
            break;
        case 3:
            withdraw();
            break;
        case 4:
            System.out.println("Thank you for using ATM");
            System.exit(0);
        default:
            System.out.println("Invalid choice. Please try again.");
    }
}

public void checkBalance() {
    System.out.println("Your balance is: " + account.getBalance());
}

public void deposit() {
    System.out.print("Enter deposit amount: ");
    double amount = scanner.nextDouble();
    if (amount > 0) {
        account.deposit(amount);
    } else {
        System.out.println("Invalid amount. Deposit failed.");
    }
}

public void withdraw() {
    System.out.print("Enter withdrawal amount: ");
    double amount = scanner.nextDouble();
    if (amount > 0) {
        account.withdraw(amount);
    } else {
        System.out.println("Invalid amount. Withdrawal failed.");
    }
}

public static void main(String[] args) {
    BankAccount userAccount = new BankAccount(1000); // Initialize user's account with a balance of 1000
    ATM atm = new ATM(userAccount);

    while (true) {
        atm.displayMenu();
        int choice = atm.scanner.nextInt();
        atm.processChoice(choice);
    }
}

public static void main(String[] args) {
	// TODO Auto-generated method stub

    Scanner scanner = new Scanner(System.in);

    System.out.println("Student Grade Calculator");

    System.out.print("Enter number of subjects: ");
    int numSubjects = scanner.nextInt();

    int totalMarks = 0;
    for (int i = 1; i <= numSubjects; i++) {
        System.out.print("Enter marks obtained in subject " + i + ": ");
        int marks = scanner.nextInt();
        totalMarks += marks;
    }

    double averagePercentage = (double) totalMarks / numSubjects;

    System.out.println("Total Marks: " + totalMarks);
    System.out.println("Average Percentage: " + averagePercentage + "%");

    String grade = calculateGrade(averagePercentage);
    System.out.println("Grade: " + grade);
}

public static String calculateGrade(double averagePercentage) {
    if (averagePercentage >= 90) {
        return "A+";
    } else if (averagePercentage >= 80) {
        return "A";
    } else if (averagePercentage >= 70) {
        return "B";
    } else if (averagePercentage >= 60) {
        return "C";
    } else if (averagePercentage >= 50) {
        return "D";
    } else {
        return "F";
    }
}