Check port in java pgm

Check port

import java.net.*;

import java.io.*;

public class Main

{

   public static void main(String[] args)

  {

      Socket Skt;

      String host = "localhost";

      if (args.length gt; 0)

     {

         host = args[0];

      }

      for (int i = 0; i < 1024; i++)

     {

         try

     {

            System.out.println("Looking for "+ i);

            Skt = new Socket(host, i);

            System.out.println("There is a server on port "+ i + " of " + host);

         }

         catch (UnknownHostException e)

        {

            System.out.println("Exception occured"+ e);

            break;

         }

         catch (IOException e) {}

      }

   }

}