package com.hanqi.test;import java.io.FileInputStream;import java.io.FileOutputStream;public class BinIoDemo {    public static void main(String[] args) {                try {            FileInputStream in = new FileInputStream("d:/doc.doc");            byte [] b= new byte[1024];            int i =-1;            FileOutputStream out = new FileOutputStream("d:/张三10001.doc");            while((i=in.read(b))>0)            {                out.write(b,0,i);            }            out.close();            in.close();            System.out.println("成功！");                        } catch (Exception e) {            // TODO 自动生成的 catch 块            e.printStackTrace();        }            }}