### Question:
Order { public String getCurrencyCode() { return currencyCode; } private  Order(Builder builder); String getId(); @Deprecated long getAmount(); String getCurrencyCode(); Date getPurchaseDate(); List<LineItem> getLineItems(); @Nullable String getCustomerOrderId(); @Nullable Customer getCustomer();  }### Answer:
@Test public void order_setCurrencyCode_verify() { Order order = new Order.Builder("123", new Date(), Collections.<Order.LineItem>emptyList()) .setCurrencyCode("AUG") .build(); assertEquals(order.getCurrencyCode(), "AUG"); }