example20_12.java.bak

不错的教程 适合中高级人员的使用

import  java.io.*;
class Example20_11 
{  public static void main(String args[])
   {  try{  RandomAccessFile in=new RandomAccessFile("Example20_11.java","rw");
            long filePoint=0;
            long fileLength=in.length();
            while(filePoint<fileLength)
                 {  String s=in.readLine();
                    System.out.println(s);
                    filePoint=in.getFilePointer();
                 }
            in.close();
         }
      catch(Exception e){}
   }
}