These are primarily interfaces for parsing and building Document and Element objects and a utility class that makes reading and writing Document streams easier.
它们主要是解析和构建Document 和Element对象的接口，一个工具类使读和写 Document流更容易。
Writing the modified document to an output stream is equally simple (lines 6-8), using the supplied XMLOutputter class.
通过使用提供的XMLOutputter类，将已修改的文档写入输出流同样简单（第 6-8行）。
Writing the modified document to an output stream is equally simple (lines 6-8), using the supplied XMLOutputter class.
通过使用提供的XMLOutputter类，将已修改的文档写入输出流同样简单（第 6-8行）。
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