0802作业2复制图片

package com.jk.bean;

import java.io.*;
public class Test {
        public static void main(String[] args) {
            DataInputStream dis = null;
            DataOutputStream dos = null;
            FileInputStream fis = null;
            FileOutputStream fos = null;
            
            try{
                //创建输入流对象
                fis = new FileInputStream("c:\\myDoc\\star.jpg");
                dis = new DataInputStream(fis);
                //创建输出流 对象
                fos = new FileOutputStream("c:\\myDoc\\new.jpg");
                dos = new DataOutputStream(fos);
                //读取文件并写入文件
                int temp;
                while((temp = dis.read())!=-1){
                    dos.write(temp);
                }
            }catch (FileNotFoundException e){
                e.printStackTrace();
            }catch (IOException e){
                e.printStackTrace();
            }finally{
                try{
                    if(dis!= null){
                        dis.close();
                    }
                    if(dos!=null){
                        dos.close();
                    }
                    if(fis!=null){
                        fis.close();
                    }
                    if(fos!=null){
                        fos.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            
        }
}