If you wrote a method that needed an instance of, say, a Sales class as an argument, you would be forced to specify that the input parameter was of type Object.

如果您编写一个方法，它需要一个实例，比如sales类的实例作为参数，您将不得不将输入参数指定为Object类型。

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The document class object is used to set the information about the input document and to get the information in the redacted document.

document类对象用于设置与输入文档相关的信息，获取已编校文档中的信息。

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In this implementation class, we use the CreditApplication input to create a simple CreditRating business object that we then return to the caller.

在这个实现类中，我们使用CreditApplication输入创建一个简单的CreditRating业务对象，然后我们将该业务对象返回到调用程序。

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