RMI basic arithmetic

RMI Program for arithmetic operations:
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Interaface

package RMIDemo;

import java.rmi.Remote;
import java.rmi.RemoteException;

/**
 *
 * @author yogesh
 */
public interface one extends Remote{
    public int add(int num1,int num2)throws RemoteException;
    public int sub(int num1,int num2)throws RemoteException;
    public int mul(int num1,int num2)throws RemoteException;
    public int div(int num1,int num2)throws RemoteException;

}

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Implementation Class

package RMIDemo;

import java.rmi.RemoteException;

import java.rmi.server.UnicastRemoteObject;

/**

 *

 * @author yogesh

 */

public class two extends UnicastRemoteObject implements one{

    public two()throws RemoteException{}

    @Override

    public int add(int num1, int num2) throws RemoteException {

        System.out.println("Addition Performed");

        return ((num1+num2));

    }

    @Override

    public int sub(int num1, int num2) throws RemoteException {

        System.out.println("Subtraction Performed");

        return ((num1-num2));

    }

    @Override

    public int mul(int num1, int num2) throws RemoteException {

        System.out.println("Multiplication Performed");

        return ((num1*num2));

    }

    @Override

    public int div(int num1, int num2) throws RemoteException {

        System.out.println("Division Performed");

        return ((num1/num2));

    }

    

}

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Server Class

package RMIDemo;

import java.io.IOException;

import java.net.MalformedURLException;

import java.rmi.AlreadyBoundException;

import java.rmi.Naming;

import java.rmi.RemoteException;

import java.rmi.registry.Registry;

/**

 *

 * @author yogesh

 */

public class rmiserver {

    public static void main(String[] args) throws RemoteException, AlreadyBoundException, MalformedURLException, IOException {

        Registry r = java.rmi.registry.LocateRegistry.createRegistry(1099);//1099 is the port number

        Runtime.getRuntime().exec("cmd /c C:\\Program Files\\Java\\jdk1.8.0_144\\bin\\rmic C:\\Users\\Yogesh\\Documents\\NetBeansProjects\\DSLabs\\build\\classes\\RMIDemo.two");

        two twox=new two();

        Naming.bind("add", twox);

        Naming.bind("sub", twox);

        Naming.bind("mul", twox);

        Naming.bind("div", twox);

        System.out.println("ALL OBJECTS CREATED");

        System.out.print("\nListing");

        String s[]=Naming.list("two");

        for(String str:s){

            System.out.println(""+str);

        }

    }

}

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Client Class

package RMIDemo;

import java.net.MalformedURLException;

import java.rmi.Naming;

import java.rmi.NotBoundException;

import java.rmi.RemoteException;

import java.util.Scanner;

/**

 *

 * @author yogesh

 */

public class rmiclient {

    public static void main(String[] args) throws NotBoundException, MalformedURLException, RemoteException {

        Scanner sc=new Scanner(System.in);

        System.out.print("\nEnter two Numbers:");

        int num1=sc.nextInt();

        int num2=sc.nextInt();

        one onex=(one)Naming.lookup("rmi://localhost/add");

        one oney=(one)Naming.lookup("rmi://localhost/add");

        one onez=(one)Naming.lookup("rmi://localhost/add");

        one onew=(one)Naming.lookup("rmi://localhost/add");

        System.out.println("Addition="+onex.add(num1,num2));

        System.out.println("Subtraction="+oney.sub(num1,num2));

        System.out.println("Multiplication="+onez.mul(num1,num2));

        System.out.println("Division="+onew.div(num1,num2));

        

    }

}

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EXECUTING DEMO IN NETBEANS