这个文档能辅助成功，但是里面的内容为什么不行

package jk1810_26;

import
import
import

public class gg {
     public static void main(String[] args) {
        try {
            
        File f=new File("E:\\","2.txt");
        if(!f.exists())
        {
            f.createNewFile();
        }
        FileReader ff=new FileReader("E:\\1.txt");
        FileWriter fe=new FileWriter(f);
        ff.close();
        fe.close();
        int i,b=0;
        while((i=ff.read())!=-1)
        {
            fe.write(i);
        }
        FileReader wy=new FileReader(f);
        char[] ss=new char[444];
        while((b=wy.read(ss))>0)
        {
            String v=new String(ss,0,b);
            System.out.println(v);
        }
        }
        catch (Exception e) {
            e.printStackTrace();// TODO: handle exception
        }
    }
}
文档能复制成功，但是文档里面的内容不行