Connecting Socket in java pgm

Connecting Socket

import java.io.IOException;

import java.net.InetAddress;

import java.net.ServerSocket;

import java.net.Socket;

public class SocketDemo

{

   public static void main(String[] args)

  {

      try

     {

         ServerSocket server = new ServerSocket(6123);

         while (true)

         {

            System.out.println("Listening");

            Socket sock = server.accept();

            InetAddress addr = sock.getInetAddress();

            System.out.println("Connection made to "+ addr.getHostName()

            + " (" + addr.getHostAddress() + ")");

            pause(5000);

            sock.close();

         }

      }

              catch (IOException e)

      {

         System.out.println("Exception detected: " + e);

      }

   }

   private static void pause(int ms)

  {

      try

  {

         Thread.sleep(ms);

      }

      catch (InterruptedException e) {}

   }

}