RMI Lab Network

 Using Intelij RMI &  Netbean:

 

Interface:   RmiServerIntf.java

 

import java.rmi.Remote;

import java.rmi.RemoteException;



public interface RmiServerIntf extends Remote{

    public String getMessage() throws RemoteException;



}

 

//Implementation: RmiImp.java

 

import java.rmi.RemoteException;

import java.rmi.server.UnicastRemoteObject;

public class RmiImp extends UnicastRemoteObject implements RmiServerIntf {



    public static final String MESSAGE = "Hello World";



    public RmiImp() throws RemoteException {

        super(0);

    }



    public String getMessage() {

        return MESSAGE;

    }

}

 

 

 //Server: 

import java.net.MalformedURLException;

import java.rmi.Naming;

import java.rmi.RemoteException;

import java.rmi.registry.LocateRegistry;







public class RmiServer  {



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

        System.out.println("RmiServer Strarted");





        try{



            LocateRegistry.createRegistry(1099);

            System.out.println("java RMI registry created");

            RmiImp obj = new RmiImp();

            Naming.rebind("rmi://localhost/RmiServer",obj);

            System.out.println("PeerServer bound in registy");

        }

        catch(RemoteException re){



            System.out.println("java RMI registry already exist");

        }

    }



}

 

//Client:

public class RmiClient {

    public static void main(String[] args) throws Exception {

        RmiServerIntf obj = (RmiServerIntf) Naming.lookup("rmi://localhost/RmiServer");

        System.out.println(obj.getMessage());

    }

}