public class Account { /* Declaring fields - represent state */ int accountNumber; double balance; /* Declaring methods - represent operations */ /* * Here is a useless destructor just for testing. */ public void finalize() { System.out.println("Object is being descarded"); System.exit(0); } public void withdraw(double amount) { if (balance >= amount) { balance = balance - amount; } } public void deposit(double amount) { balance += amount; } public double getBalance() { return balance; } }