Java - datos de Mysql!

package sockets;

import java.net.*;

import java.io.*;

public class conector

{

    ServerSocket server;

    Socket socket;

    int puerto = 9000;

    BufferedReader entrada;

    void iniciar()

    {

        try{

            server = new ServerSocket(puerto);

            socket = new Socket();

            socket = server.accept();

            entrada = new BufferedReader(new InputStreamReader(socket.getInputStream()));

            String mensaje = entrada.readLine();

            String[] cadena = mensaje.split(",");

            System.out.println(mensaje);

            int a;

            for(a=0;a<cadena.length;a++){

                System.out.println(cadena[a]+" "+a);

            }

            socket.close();

        }catch (Exception e){};

    }

};