Speed.java

public class Speed {
    private final File FOLDER = new File("Files");
    String name = "movie.mp4";
    int port = 46789;
    public static void main(String[] args) {
        try {
            ServerSocket serverSocket = new ServerSocket(port);
            serverSocket.setReuseAddress(true);
            Socket socket = serverSocket.accept();
            byte[] buffer = new byte[1024*1024];
            InputStream is = socket.getInputStream();
            FOLDER.mkdirs();
            File file = new File(FOLDER, name);
            file.createNewFile();
            FileOutputStream fos = new FileOutputStream(file);
            long sent = 0;
            int count;
            long start = System.currentTimeMillis(), time, speed;
            while((count = is.read(buffer)) > 0) {
                fos.write(buffer, 0, count);
                time = System.currentTimeMillis() - start;
                sent += count;
                double percent = ((double)sent/size) * 100;
                speed = sent / time;
                System.out.println("Speed :" + speed + "\t Downloaded : " + percent + "%");
             }
            fos.flush();
            fos.close();
            is.close();
            socket.close();
            serverSocket.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}