1  import java.util.Arrays;

  2  

  3  public class ComparableTester

  4  {

  5     public static void main(String[] args)

  6     {

  7        BankAccount[] accounts = new BankAccount[3];

  8        accounts[0] = new BankAccount(10000);

  9        accounts[1] = new BankAccount(0);

 10        accounts[2] = new BankAccount(2000);      

 11        Arrays.sort(accounts);

 12        for (int i = 0; i < accounts.length; i++)

 13        {

 14  	 System.out.print(accounts[i].getBalance() + " ");

 15        }

 16        System.out.println();

 17        System.out.println("Expected: 0.0 2000.0 10000.0");

 18     }

 19  }