### Question:
Order { @Deprecated public long getAmount() { return amount; } 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_setAmount_verify() { Order order = new Order.Builder("123") .setAmount(1000) .build(); assertEquals(order.getAmount(), 1000); }