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           throws IOException, ClassNotFoundException

 12     {  

 13        if (args.length == 0)

 14        {   

 15           JOptionPane.showMessageDialog(null, 

 16                 "Usage: ATMViewer propertiesFile");

 17           return;

 18        }

 19        else 

 20        {

 21           try

 22           {

 23              SimpleDataSource.init(args[0]);            

 24           }

 25           catch (IOException exception)

 26           {

 27              JOptionPane.showMessageDialog(null, 

 28                    "Can't connect to database");

 29              return;

 30           }

 31           catch (ClassNotFoundException exception)

 32           {

 33              JOptionPane.showMessageDialog(null, 

 34                    "Can't connect to database");

 35              return;

 36           }

 37        }

 38  

 39        ATM theATM;

 40  

 41        Bank theBank = new Bank();

 42        theATM = new ATM(theBank);

 43  

 44        JFrame frame = new ATMFrame(theATM);

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

 46        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

 47        frame.setVisible(true);

 48     }

 49  }

 50