FInd the Factorial Number between Server and Client

SERVER

import java.net.*;

import java.io.*;

public class myserv{

public static void main(String ar[]){

try{

            DatagramSocket s =  new DatagramSocket(1234);

            while ( true ) {

            DatagramPacket packet = new DatagramPacket(new byte[1024], 1024);

            s.receive( packet );

            String message = new String(packet.getData(), 0, 0, packet.getLength());

int res=1;

int ms=Integer.parseInt(message);

for(int i=1;i<=ms;i++) res=res*i;

String str1=res+" ";

  System.out.println( "Factorial of " + 

              message + " is " + str1);       }   }

catch(Exception e){}    }}

CLIENT

import java.net.*;

import java.io.*;

public class myclient{     

 public static void main(String ar[]) {

  int myPort = 1234;

try {

  DatagramSocket ds = new DatagramSocket();

  DatagramPacket pack;

  InetAddress addr = InetAddress.getLocalHost();

  BufferedReader b=new BufferedReader (new InputStreamReader(System.in));  

       {

         System.out.print("Enter the number to find factorial : ");

         String message=b.readLine();   

         byte [] data = new byte [ message.length() ];

         message.getBytes(0, data.length, data, 0);   

         pack =  new DatagramPacket(data, data.length, addr, myPort);

        ds.send( pack );

  }  }

        catch ( IOException e )  { 

        System.out.println( e );

    }  }}

OUTPUT

Client

C:\Program Files\Java\jdk1.6.0_11\bin>java client1

Enter the number  : 4

C:\Program Files\Java\jdk1.6.0_11\bin>java client1

Enter the number to find factorial : 6

Server:

C:\Program Files\Java\jdk1.6.0_11\bin>java serv

Factorial of 4 is 24

Factorial of 6 is 720