LineNumberReader的简单实例

import java.io.FileReader;import java.io.IOException;import java.io.LineNumberReader;public class LineNumberReaderDemo {    public static void main(String[]args) throws IOException{        FileReader fr=new FileReader("buf.txt");        LineNumberReader lnr=new LineNumberReader(fr);        String line=null;        lnr.setLineNumber(100);     //行号从101开始        while((line=lnr.readLine())!=null){            System.out.println(lnr.getLineNumber()+":"+line);        }        lnr.close();    }}