public void Run()
{
VendingMachine vendingMachine = new VendingMachine();
vendingMachine.StartVendingMachine();
while (true)
{
String selection = (string)ui.PromptForSelection(MAIN_MENU_OPTIONS);
if (selection == MAIN_MENU_OPTION_DISPLAY_ITEMS)
{
vendingMachine.DisplayVendingMachine();
}
else if (selection == MAIN_MENU_OPTION_PURCHASE)
{
vendingMachine.SubPurchaseMenuStart();
}
else if (selection == MAIN_MENU_OPTION_FINISHED)
{
Console.Clear();
break;
}
}
}
