Account.java

public abstract class Account implements AccountOperations {
    protected String accountNumber;
    protected String holderName;
    protected double balance;

    public Account(String accountNumber, String holderName, double balance) {
        this.accountNumber = accountNumber;
        this.holderName = holderName;
        this.balance = balance;
    }

    public abstract void showAccountType();

    @Override
    public void deposit(double amount) {
        if (amount <= 0) {
            System.out.println("Error: Deposit amount must be positive.");
            return;
        }

        balance += amount;
        System.out.println("₹" + amount + " deposited successfully.");
        System.out.println("New balance: ₹" + balance);
    }

    @Override
    public void withdraw(double amount) {
        if (amount <= 0) {
            System.out.println("Error: Withdrawal amount must be positive.");
            return;
        }

        if (balance >= amount) {
            balance -= amount;
            System.out.println("₹" + amount + " withdrawn successfully.");
            System.out.println("Remaining balance: ₹" + balance);
        } else {
            System.out.println("Insufficient funds! Current balance: ₹" + balance);
        }
    }

    @Override
    public double getBalance() {
        return balance;
    }
}