import java.util.Scanner;

public class ProductApp
{
     public static void main(String args[])
     {
          // display a welcome message
          System.out.println("Welcome to the Product Selector");
          System.out.println();

          // perform 1 or more selections
          Scanner sc = new Scanner(System.in);
          String choice = "y";
          while (choice.equalsIgnoreCase("y"))
          {
               System.out.print("Enter prodcut code: ");
               String productCode = sc.next();   // read the product code
               sc.nextLine();  // discard any other data entered on the line
               
               // get the Product object
               Product p = ProductDB.getProduct(productCode);
               
               // display the output
               System.out.println();
               if (p != null)
                   System.out.println(p);
               else
                  System.out.println("No product matches this product code.\n");

               System.out.println("Product count: "  + Product.getCount() + "\n");

               // see if the user wants to continue
               System.out.print("Continue? (y/n): ");                
               choice = sc.nextLine();
               System.out.println(); 
          }
     }
}

// this is a main application