public class BankAccountTest { public static void main(String[] args) { BankAccount account = new BankAccount(10000); final double INTEREST_RATE = 5; double interest; // compute and add interest for one period interest = account.getBalance() * INTEREST_RATE / 100; account.deposit(interest); System.out.println("Balance after year 1 is $" + account.getBalance()); // add interest again interest = account.getBalance() * INTEREST_RATE / 100; account.deposit(interest); System.out.println("Balance after year 2 is $" + account.getBalance()); } }