PEMROGRAMAN JAVA

import java.net.*;

import java.io.*;

class tugasinput

 {

     public static void main(String[]args)throws IOException

                        {

                                                InputStreamReader istream = new InputStreamReader (System.in);

                    BufferedReader bufRead = new BufferedReader (istream);

                System.out.print("Masukkan alamat web :");

                    String web = bufRead.readLine ();

           try{

                        InetAddress address = InetAddress.getLocalHost();

                        System.out.println("============================");

                        System.out.println(address);

                        InetAddress name = InetAddress.getByName(web);

                        System.out.println(name);

                        System.out.println("============================");

              }

           catch (UnknownHostException e)

              {

                         System.out.println("Alamat Tidak Ditemukan");

              }

         } 

 }

package prog_jar1;

import java.io.*;
public class latihan_2 {
public static void main(String[]args)throws IOException
        {
        int angka1,angka2;
        int t,k,x,b;
        BufferedReader br;
        br=new BufferedReader(new InputStreamReader(System.in));
       
        System.out.print("masukkan angka1 :");
        angka1=Integer.parseInt(br.readLine());
        System.out.print("masukkan angka2 :");
        angka2=Integer.parseInt(br.readLine());
        System.out.println("angka1 = "+angka1);
        System.out.println("angka2 = "+angka2);
        t=angka1+angka2;
        k=angka1-angka2;
        x=angka1*angka2;
        b=angka1/angka2;
        System.out.println("jumlah = "+t);
        System.out.println("kurang = "+k);
        System.out.println("kali = "+x);
        System.out.println("bagi = "+b);
       
    }

}

import java.util.Scanner;

class R_Total

{

  public static void main (String[] args)

  {

    double r1, r2, r3, r_total_seri, r_total_pararel;

     

    Scanner scan = new Scanner(System.in );

    System.out.println("Masukkan nilai R1:");

    r1 = scan.nextDouble();

     

    System.out.println("Masukkan nilai R2:");

    r2 = scan.nextDouble();

     

    System.out.println("Masukkan nilai R3:");

    r3 = scan.nextDouble();

import java.net.*;
public class lat1{
    public static void main (String args[])
    {
        URL webURL,ftpURL;
        try{
            webURL = new URL("http://www.macfaq.com/vendor.html");
            System.out.println(webURL);
            ftpURL= new URL("ftp://ftp1.macfaq.com/pub");
            System.out.println(ftpURL);}
        catch (MalformedURLException e){
            System.err.println("URL SALAH");
        }
        }
    }