1  import java.io.IOException;

  2  import javax.swing.JFrame;

  3  import javax.swing.JOptionPane;

  4  

  5  /**

  6     A graphical simulation of an automatic teller machine.

  7  */

  8  public class ATMViewer

  9  {  

 10     public static void main(String[] args)

 11     {  

 12        ATM theATM;

 13  

 14        try

 15        {  

 16           Bank theBank = new Bank();

 17           theBank.readCustomers("customers.txt");

 18           theATM = new ATM(theBank);

 19        }

 20        catch(IOException e)

 21        {  

 22           JOptionPane.showMessageDialog(null, "Error opening accounts file.");

 23           return;

 24        }

 25  

 26        JFrame frame = new ATMFrame(theATM);

 27        frame.setTitle("First National Bank of Java");      

 28        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 29        frame.setVisible(true);

 30     }

 31  }

 32