xml-dev - Which class.method() in xml4j.jar(version xml4j_2_0_15) can update File?

["Chen Hong Qiang" <chq@softlab.nju.edu.cn>]

Hello,

    I use xml4j.jar to operate a XML file.Now I can access and change the datas.but when I want to update the xml file,I cann't find a method,such as saveXMLfile(String filename,Node rootnode), to succeed it.Do you know which method in which class can do it!

       

Thanks.