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查询写了多少行Java代码

public class XML_dom4j { static String path = "123.xml"; public static void main(String[] args) throws Exception { XML_dom4j x = new XML_dom4j(); x.loadDocument();// x.add();// x.update();

public static void main(String[] args) { FileReader fr = null; BufferedReader br = null; File file = new File("D:/1.txt"); try { fr = new FileReader(file); br = new BufferedReader(fr);