class Client implements Runnable {
        private Socket s;
        private DataInputStream dis = null;
        private DataOutputStream dos = null;
        private boolean bConnected = false;
        
        public Client(Socket s) {
            this.s = s;
            try {
                dis = new DataInputStream(s.getInputStream());
                dos = new DataOutputStream(s.getOutputStream());
                bConnected = true;
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        
        public void send(String str) {
            try {
                dos.writeUTF(str);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }

                public void run() { .....}
}