java send an image over a socket

1public class Send {
2
3    public static void main(String[] args) throws Exception {
4        Socket socket = new Socket("localhost", 13085);
5        OutputStream outputStream = socket.getOutputStream();
6
7        BufferedImage image = ImageIO.read(new File("C:\\Users\\Jakub\\Pictures\\test.jpg"));
8
9        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
10        ImageIO.write(image, "jpg", byteArrayOutputStream);
11
12        byte[] size = ByteBuffer.allocate(4).putInt(byteArrayOutputStream.size()).array();
13        outputStream.write(size);
14        outputStream.write(byteArrayOutputStream.toByteArray());
15        outputStream.flush();
16        System.out.println("Flushed: " + System.currentTimeMillis());
17
18        Thread.sleep(120000);
19        System.out.println("Closing: " + System.currentTimeMillis());
20        socket.close();
21    }
22}
23
24
25public class Receive {
26
27    public static void main(String[] args) throws Exception {
28        ServerSocket serverSocket = new ServerSocket(13085);
29        Socket socket = serverSocket.accept();
30        InputStream inputStream = socket.getInputStream();
31
32        System.out.println("Reading: " + System.currentTimeMillis());
33
34        byte[] sizeAr = new byte[4];
35        inputStream.read(sizeAr);
36        int size = ByteBuffer.wrap(sizeAr).asIntBuffer().get();
37
38        byte[] imageAr = new byte[size];
39        inputStream.read(imageAr);
40
41        BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageAr));
42
43        System.out.println("Received " + image.getHeight() + "x" + image.getWidth() + ": " + System.currentTimeMillis());
44        ImageIO.write(image, "jpg", new File("C:\\Users\\Jakub\\Pictures\\test2.jpg"));
45
46        serverSocket.close();
47    }
48
49}
50