cart.buy(EAP, 1);
System.out.println("Buying another \"" + EAP + "\"");
cart.buy(EAP, 1);
System.out.println("Buying a \"" + SOAP + "\"");
cart.buy(SOAP, 1);
System.out.println("\nPrint cart:");
HashMap<String, Integer> cartContents = cart.getCartContents();
for (String product : cartContents.keySet()) {
System.out.println(cartContents.get(product) + " " + product);