我们可以利用两个方法中的任何一个在类上启动树遍历。
We can use either of two methods on the java.nio.Files class to start the tree traversal.
在这个步骤中，您将遍历源文件系统树。
In this step, you will traverse the source file system tree.
从这个根节点，就可以遍历整个xml树。
Spring解析XML：你的代码仅仅需要遍历XML树。
Spring parses the XML: your code merely has to walk the tree.
而另一人使用后风格的遍历树的所有儿童。
While the other one use post-style to walk through all children of the tree.
通过遍历目录树中你可以找到哪些进程正在运行。
By walking the directory tree you can find which processes are running.
通过遍历目录树中你可以找到哪些进程正在运行。
By walking the directory tree you can find which processes are running.
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