RPCClient.java

package demo2;

import java.io. *; 
import java.net. *; 
class RPCClient 
{ 
    RPCClient() 
    {
        try
        {
            InetAddress ia = InetAddress.getLocalHost(); 
            DatagramSocket ds = new DatagramSocket(); 
            DatagramSocket ds1 = new DatagramSocket(1300);
            System.out.println("\nRPC Client\n");
            System.out.println("Enter method name and parameter like add 3 4\n");
            while(true)
            {
                BufferedReader br= new BufferedReader(new InputStreamReader(System.in));
                String str=br.readLine();
                byte b[]=str.getBytes();
                DatagramPacket dp=new DatagramPacket(b,b.length,ia,1200);
                ds.send(dp);
                dp=new DatagramPacket(b,b.length);
                ds1.receive(dp);
                String s=new String(dp.getData(),0,dp.getLength());
                System.out.println("\nResult= "+ s + "\n");
            }
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
    }
    public static void main(String[] args)
    {
        new RPCClient();
    }
}