Java sending and receiving file (byte[]) over sockets

A. BufferedOutputStream
Program Server
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;


public class server {
    public static void main(String[] args) throws IOException {
    ServerSocket serverSocket = null;
    serverSocket = new ServerSocket(4444);
    Socket server = null;
    server = serverSocket.accept();
    DataOutputStream out = new DataOutputStream(new BufferedOutputStream(server.getOutputStream()));
    DataInputStream in = new DataInputStream(new BufferedInputStream(server.getInputStream()));
    byte[] bytes = new byte[1024];
    in.read(bytes);
    System.out.println(bytes);
    FileOutputStream fos = new FileOutputStream("C:\\Users\\Derry\\Documents\\MATLAB\\RAA\\sukses1.tx t");
    fos.write(bytes); 
    }   
}

B. Download all code here