JAVA RMI

Client.java

package rmi;

import java.rmi.Naming;
import java.util.Scanner;

public class Client {

    public Client() {}

    public static void main(String[] args) {

        try {
            Scanner sc = new Scanner(System.in);

            Hitung stub = (Hitung) Naming.lookup("rmi://localhost:2021/Hitung");

            while (true) {
                System.out.println("1. Hitung Luas Persegi");
                System.out.println("2. Hitung Luas Segitiga");
                System.out.println("3. Hitung Luas Lingkaran");
                System.out.println("4. Exit");
                System.out.print("Pilih : ");
                switch (sc.nextInt()) {
                    case 1:
                        System.out.print("Masukan Sisi : ");
                        double s = sc.nextDouble();
                        System.out.println("Hasil : " + stub.Persegi(s));
                        break;
                    case 2:
                        System.out.print("Masukan Alas : ");
                        double a = sc.nextDouble();
                        System.out.print("Masukan Tinggi : ");
                        double t = sc.nextDouble();
                        System.out.println("Hasil : " + stub.Segitiga(a, t));
                        break;
                    case 3:
                        System.out.print("Masukan Jari Jari : ");
                        double r = sc.nextDouble();
                        System.out.println("Hasil : " + stub.Lingkaran(r));
                        break;
                    case 4:
                        System.out.println("Terima Kasih!");
                        return;
                    default:
                        System.out.println("Inputan Salah");
                        break;
                }

            }
        }catch (Exception e) {
            System.out.println("Client Exception: " + e.toString());
        }
    }
}

Hitung.java

package rmi;

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

public interface Hitung extends Remote {

    double Persegi(double sisi) throws RemoteException;
    double Segitiga(double alas, double tinggi) throws RemoteException;
    double Lingkaran(double jari) throws RemoteException;

}

Server.java

package rmi;

import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;

public class Server implements Hitung {

    public Server() {}


    @Override
    public double Persegi(double sisi) throws RemoteException {
        return sisi * sisi;
    }

    @Override
    public double Segitiga(double alas, double tinggi) throws RemoteException {
        return 0.5 * alas * tinggi;
    }

    @Override
    public double Lingkaran(double jari) throws RemoteException {
        return 3.14 * jari * jari;
    }

    public static void main(String[] args) {
        try {
            Server object = new Server();
            Hitung stub = (Hitung) UnicastRemoteObject.exportObject((Remote) object, 0);

            Registry registry = LocateRegistry.createRegistry(2021);
            registry.rebind("Hitung", stub);

            System.out.println("Server is Ready");
        }catch (Exception e) {
            System.out.println("Server Exception: " + e.toString());
        }
    }

}