import java.util.ArrayList; /** This program tests the ArrayList class. */ public class ArrayListTester { public static void main(String[] args) { ArrayList accounts = new ArrayList(); accounts.add(new BankAccount(1001)); accounts.add(new BankAccount(1015)); accounts.add(new BankAccount(1729)); accounts.add(1, new BankAccount(1008)); accounts.remove(0); System.out.println("size=" + accounts.size()); BankAccount first = accounts.get(0); System.out.println("first account number=" + first.getAccountNumber()); BankAccount last = accounts.get(accounts.size() - 1); System.out.println("last account number=" + last.getAccountNumber()); } }