This series also shows that by simply making method calls using the SAAJ API, you can read and write SOAP-based XML messages, and you can optionally send and receive such messages over the Internet.

本系列还会演示如何通过使用SAAJ API进行简单的方法调用来读取和编写基于SOAP的XML消息，而且您可以选择通过Internet发送和接收此类消息。

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You also saw how to add multiple records in one method call, saving the overhead of making several remote server calls in a row.

还学习了如何通过一个方法调用添加多条记录，避免了连续执行多个远程服务器调用的开销。

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Validation processes are often scattered throughout method calls, making it difficult to tell the difference between validation logic and core business logic.

验证过程经常散落在方法调用里，这样就造成很难区分验证逻辑和核心业务逻辑。

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