目录Java中删除文件/文件夹的3种方法1、通过io删除文件2、通过Files.walk删除文件3、通过 Files.walkFileTree删除文件java删除文件或目录的三种方法一、所用工具二、常见几种方法1.传统IO流2.强制删除（如若一次删除
I have several \'select\' elements on the page. When I choose some ofoptions, the ajax request is being sent to server and the element adjacent to this \'select\' must be updated with response value.
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