Java - Sum and Average using RMI

	import java.rmi.*;
	import java.rmi.server.*;

	public interface ServerIntf extends Remote {
	    public double sum(double... numbers) throws RemoteException;
	    public double average(double... numbers) throws RemoteException;
	}

	import java.rmi.*;
	import java.rmi.server.*;

	public class ServerImpl extends UnicastRemoteObject implements ServerIntf {

	    public ServerImpl() throws RemoteException {
	    }

	    public double sum(double... numbers) throws RemoteException {
	        double result = 0;

	        for(double num : numbers) {
	            result += num;
	        }

	        return result;
	    }

	    public double average(double... numbers) throws RemoteException {
	        double result = 0;
	        int n = numbers.length;

	        for(double num : numbers) {
	            result += num;
	        }

	        return result/n;
	    }
	}

	import java.rmi.*;
	import java.rmi.server.*;

	public class Server {

	    public static void main(String[] args) {
	        try {
	            ServerImpl serverImpl = new ServerImpl();
	            Naming.rebind("Server", serverImpl);
	        } catch(Exception exp) {
	            exp.printStackTrace();
	        }
	    }
	}

	import java.rmi.*;
	import java.rmi.server.*;
	import java.io.*;

	public class Client {

	    public static void main(String[] args) {
	        try {
	            String serverURL = "rmi://" + args[0] + "/Server";
	            ServerIntf serverIntf = (ServerIntf)Naming.lookup(serverURL);
	            BufferedReader buffRdr = new BufferedReader(new InputStreamReader(System.in));

	            System.out.println("Enter the limit...");
	            int n = Integer.parseInt(buffRdr.readLine());

	            System.out.println("Enter the numbers...");
	            double[] numbers = new double[n];
	            for(int i = 0 ; i < n ; i++) {
	                numbers[i] = Double.parseDouble(buffRdr.readLine());
	            }

	            System.out.println("Sum..." + serverIntf.sum(numbers));
	            System.out.println("Average..." + serverIntf.average(numbers));
	        } catch(Exception exp) {
	            exp.printStackTrace();
	        }
	    }
	}