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());

    }

}

Telnet

 Install Telnet

1. Click Start.
2. Select Control Panel.
3. Choose Programs and Features.
4. Click Turn Windows features on or off.
5. Select the Telnet Client option.
6. Click OK. A dialog box appears to confirm installation. The telnet command should now be available.