ONLINE BANK
ONLINE BANKING SYSTEM class Account { private String username; private String password; private double balance; public Account(String username, String password) { this.username = username; this.password = password; this.balance = 0.0; } public boolean authenticate(String password) { return this.password.equals(password); } public String getUsername() { return username; } public double getBalance() { return balance; } public void deposit(double amount) { if (amount > 0) balance += amount; } public boolean withdraw(double amount) { ...