/**
   This program tests the BankAccount class and
   their subclasses. 
*/
 public class AccountTest
{  
   public static void main(String[] args)
   {  
      SavingsAccount momsSavings 
         = new SavingsAccount(0.5);
         
      CheckingAccount harrysChecking
         = new CheckingAccount(100);
         
      momsSavings.deposit(10000);
      
      momsSavings.transfer(harrysChecking, 2000);     
      harrysChecking.withdraw(1500);
      harrysChecking.withdraw(80);      

      momsSavings.transfer(harrysChecking, 1000);
      harrysChecking.withdraw(400);      

      // simulate end of month
      momsSavings.addInterest();
      harrysChecking.deductFees();
      
      System.out.println("Mom's savings balance = $"
         + momsSavings.getBalance());

      System.out.println("Harry's checking balance = $"
         + harrysChecking.getBalance());
   }
}

/* program output:

Mom's savings balance = $7035.0
Harry's checking balance = $1116.0

*/