They just did it on purpose to collect the creditcard information.

我敢说他们这样做只是为了收集一下信用卡的信息。

Create the CreditCard business item with the attributes shown below.

通过以下所示属性创建CreditCard业务项目。

In our example, business items consist of an Order and a CreditCard.

在本实例中，业务项目包括Order和CreditCard。

The method's implementation creates instances of Order and CreditCard and sets their attributes.

该方法的实现创建了Order和CreditCard的实例，并且设置了它们的属性。

You need to import the RequestData, order, and CreditCard datatypes in order to compile the above code snippet.

您必须导入RequestData, Order和CreditCard datatypes以便对上述的代码片断进行编译。

The attribute types can be basic (for example, Integer, String) or complex data types (for example, the user-defined types like Order and CreditCard).

可以将属性类型定为基本类型(例如，Integer或String)或复杂数据类型(例如，用户定义的类型，如Order和CreditCard)。