1 package com.throwsss;
2
3 import java.io.File;
4 import java.io.FileInputStream;
5 import java.io.FileNotFoundException;
6 import java.io.FileOutputStream;
7 import java.io.IOException;
8 import java.io.InputStream;
9
10 class Picture{
11 public static void readWrite(){
12 File file = new File("D://abc.jpg");
13 File file2 = new File("F://abc.jpg");
14 InputStream inputStream = null;
15 FileOutputStream fileOutputStream = null;
16 try {
17 inputStream = new FileInputStream(file);
18 fileOutputStream = new FileOutputStream(file2);
19 byte[] bs = new byte[1024];
20 int length = 0;
21 try {
22 while((length = inputStream.read(bs))!=-1){
23 fileOutputStream.write(bs, 0, length);
24 }
25 } catch (IOException e) {
26 // TODO Auto-generated catch block
27 throw new RuntimeException(e);
28 }
29 } catch (FileNotFoundException e) {
30 // TODO Auto-generated catch block
31 throw new RuntimeException(e);
32 }finally{
33 if(fileOutputStream != null){
34 try {
35 fileOutputStream.close();
36 System.out.println("关闭输出流资源成功...");
37 } catch (IOException e) {
38 System.out.println("关闭输出流资源失败...");
39 throw new RuntimeException(e);
40 }finally{
41 if(inputStream != null){
42 try {
43 inputStream.close();
44 System.out.println("关闭输入流对象成功...");
45 } catch (IOException e) {
46 System.out.println("关闭输入流对象失敗...");
47 throw new RuntimeException(e);
48 }
49 }
50 }
51 }
52 }
53
54 }
55 }
56
57 public class Throwtest {
58
59 public static void main(String[] args) {
60 // TODO Auto-generated method stub
61
62 Picture picture = new Picture();
63 picture.readWrite();
64 }
65
66 }
