 /** 
     This program demonstrates the invoice classes by 
     printing a sample invoice. 
  */ 
  public class InvoicePrinter 
  { 
     public static void main(String[] args) 
     { 
        Address samsAddress 
             = new Address(Sam's Small Appliances, 
             100 Main Street, Anytown, CA, 98765); 
  
       Invoice samsInvoice = new Invoice(samsAddress); 
       samsInvoice.add(new Product(Toaster, 29.95), 3); 
       samsInvoice.add(new Product(Hair dryer, 24.95), 1); 
       samsInvoice.add(new Product(Car vacuum, 19.99), 2); 
  
       System.out.println(samsInvoice.format()); 
    } 
 }
