public   class  Server {
   public   static   void  main(String[] args){
     try  {
      ServerSocket ss =  new  ServerSocket( 8189 );
      Socket incoming = ss.accept(); //Ожидаем подключение клиента к заданному порту

      DataInputStream dataIn =  new  DataInputStream( new   BufferedInputStream(incoming.getInputStream()));
      DataOutputStream dataOut =  new  DataOutputStream( new   BufferedOutputStream(incoming.getOutputStream()));  

      //Здесь как-то поместить файлы в выходной поток dataOut.write(...)

      dataIn.close();
      dataOut.close();
      incoming.close();
      ss.close();
    }
     catch (Exception ex) {
    }
  }
}

 public   class  Client {
   public   static   void  main(String[] args){
  //...................//
        Socket s =  new  Socket("localhost", 8189 );
	DataInputStream dataIn =  new  DataInputStream( new  BufferedInputStream(s.getInputStream()));
	DataOutputStream dataOut =  new  DataOutputStream( new  BufferedOutputStream(s.getOutputStream()));
	
      //Здесь как-то прочитать входной поток dataIn.read(...)
  }
}

 package  untitled8;

 import  java.io.*;
 import  java.net.*;

 public   class  Frame1 {
   public   static   void  main(String[] args){
    FileOutputStream fis =  null ;
     try {
      ///////////////////
      Socket s =  new  Socket("localhost",  8189 );
      DataInputStream dataIn =  new  DataInputStream( new  BufferedInputStream(s.getInputStream()));
      DataOutputStream dataOut =  new  DataOutputStream( new  BufferedOutputStream(s.getOutputStream()));
      ///////////////////
      fis =  new  FileOutputStream("D:\\Image1.gif");
       while  (dataIn.read() != - 1 ) {
        fis.write(dataIn.readByte());
      }
      ///////////////////
      dataIn.close();
      dataOut.close();
      s.close();
    }
     catch (IOException i){
      System.err.println(i.toString());
    }
     finally {
       try {
         if  (fis!= null ){
          fis.close();
        }
      }
       catch (IOException er){
        System.err.println(er);
      }
    }
  }
}

 package  localnetwork;

 import  java.io.*;
 import  java.net.*;

 public   class  Server {
   public   static   void  main(String[] args){
    FileInputStream fis =  null ;

     try  {
      ServerSocket ss =  new  ServerSocket( 8189 );
      Socket incoming = ss.accept(); //Ожидаем подключение клиента к заданному порту
      DataInputStream dataIn =  new  DataInputStream( new  BufferedInputStream(incoming.getInputStream()));
      DataOutputStream dataOut =  new  DataOutputStream( new  BufferedOutputStream(incoming.getOutputStream()));
      ////////////////////////////////
      ByteArrayOutputStream baos =  new  ByteArrayOutputStream();
      File f =  new  File("C:\\Image1.gif");
      fis =  new  FileInputStream(f);
       byte [] buf =  new   byte [ 1024 ];
       int  readed;
       while  ((readed = fis.read(buf)) != - 1 ) {
        baos.write(buf,  0 , readed);
      }
      dataOut.write(baos.toByteArray());
      ////////////////////////////////
      dataIn.close();
      dataOut.close();
      incoming.close();
      ss.close();
    }
     catch (Exception ex) {
      System.err.println(ex.toString());
    }
     finally {
       try {
         if  (fis!= null ){
          fis.close();
        }
      }
       catch (IOException er){
        System.err.println(er);
      }
    }
    //********************************************************************************//
  }
}