Account.java

public class Account {
    private int accountNumber;
    private String accountHolderName;
    private double balance;
    private String email;
    private String phoneNumber;

    public Account(int accountNumber, String accountHolderName, double initialBalance, String email, String phoneNumber) {
        this.accountNumber = accountNumber;
        this.accountHolderName = accountHolderName;
        this.balance = initialBalance;
        this.email = email;
        this.phoneNumber = phoneNumber;
    }

    // Deposit money
    public void deposit(double amount) {
        if (amount > 0) {
            balance += amount;
            System.out.println("Amount deposited successfully. Current balance: " + balance);
        } else {
            System.out.println("Deposit amount must be positive.");
        }
    }

    // Withdraw money
    public void withdraw(double amount) {
        if (amount > 0) {
            if (amount <= balance) {
                balance -= amount;
                System.out.println("Amount withdrawn successfully. Current balance: " + balance);
            } else {
                System.out.println("Insufficient balance.");
            }
        } else {
            System.out.println("Withdrawal amount must be positive.");
        }
    }

    // Display account details
    public void displayAccountDetails() {
        System.out.println("Account Number: " + accountNumber);
        System.out.println("Account Holder Name: " + accountHolderName);
        System.out.println("Balance: " + balance);
        System.out.println("Email: " + email);
        System.out.println("Phone Number: " + phoneNumber);
    }

    // Update contact details
    public void updateContactDetails(String email, String phoneNumber) {
        this.email = email;
        this.phoneNumber = phoneNumber;
        System.out.println("Contact details updated successfully.");
    }

    public int getAccountNumber() {
        return accountNumber;
    }
}