Contoh Program Jasa Pengiriman Paket Internasional Menggunakan OOP di Eclipse

 package driver;  
 import java.io.BufferedReader;  
 import java.io.IOException;  
 import java.io.InputStreamReader;  
 import java.util.ArrayList;  
 import java.util.Random;  
 import java.util.Scanner;  
 import object.Barang;  
 import object.Satu;  
 import object.Tarif;  
 public class Main extends Satu {  
      public Main(int angka) {  
           super(angka);  
      }  
      static Scanner ssc1 = new Scanner(System.in);  
      static BufferedReader ssc2 = new BufferedReader(new InputStreamReader(System.in));  
      static Tarif trf = new Tarif(0,0,0,0);  
      static Barang brg;  
      static Random nores = new Random();  
      static ArrayList<Barang> data = new ArrayList<Barang>();  
      public static void main(String[] args) throws IOException {  
           do {  
                menu();  
           } while (true);  
      }       
      private static void menu() throws IOException {  
           System.out.println("===============================================");  
           System.out.println("         Welcome To          ");  
           System.out.println("     Fast Express International      ");  
           System.out.println("===============================================");  
           System.out.println("Select Menu :");  
           System.out.println(" 1. Check Price Packet \n 2. Input Packet Data \n 3. Data Packet \n 4. Exit \n 5. Start Menu");  
           System.out.println("===============================================");  
           System.out.print("Choose : ");  
           int pilih = ssc1.nextInt();  
           System.out.println("===============================================");  
           switch (pilih) {  
           case 1:  
                System.out.println();  
                System.out.println("===============================================");  
                System.out.println("Check Tarif Paket");  
                System.out.println("===============================================");  
                System.out.print("Weight Packet (Kg)\t= ");  
                int berat = ssc1.nextInt();  
                System.out.print("Long Packet (Cm)\t= ");  
                int panjang = ssc1.nextInt();  
                System.out.print("Wide Packet (Cm)\t= ");  
                int lebar = ssc1.nextInt();  
                System.out.print("Height Packet (Cm)\t= ");  
                int tinggi = ssc1.nextInt();  
                trf = new Tarif(berat, panjang, lebar, tinggi);  
                trf.rumus();  
                System.out.println("===============================================");  
                System.out.println("Price Is = $. "+trf.tarif);  
                System.out.println("===============================================");  
                System.out.println();  
                berat = 0;  
                panjang = 0;  
                lebar = 0;  
                tinggi = 0;  
                break;  
           case 2:  
                System.out.println();  
                System.out.println("===============================================");  
                System.out.println("Send Packet");  
                System.out.println("===============================================");  
                System.out.print("Name Sender\t\t= ");  
                String namPengirim = ssc2.readLine();  
                System.out.print("Address Sender\t\t= ");  
                String alaPengirim = ssc2.readLine();  
                System.out.print("Name Receiver\t\t= ");  
                String namPenerima = ssc2.readLine();  
                System.out.print("Address Receiver\t= ");  
                String alaPenerima = ssc2.readLine();  
                System.out.print("Weight Packet (Kg)\t= ");  
                berat = ssc1.nextInt();  
                System.out.print("Long Packet (Cm)\t= ");  
                panjang = ssc1.nextInt();  
                System.out.print("Wide Packet (Cm)\t= ");  
                lebar = ssc1.nextInt();  
                System.out.print("Height Packet (Cm)\t= ");  
                tinggi = ssc1.nextInt();  
                int resi = nores.nextInt(999999999) + 111111111;  
                data.add(brg = new Barang(namPengirim, alaPengirim, namPenerima, alaPenerima, resi, berat, panjang, lebar, tinggi));  
                brg.rumus();  
                System.out.println("===============================================");  
                System.out.println("Price To Pay = $. "+brg.tarif);  
                System.out.println("Data Has Been Saved ...");  
                System.out.println("===============================================");  
                System.out.println();  
                break;  
           case 3:  
                System.out.println();  
                System.out.println("===============================================");  
                System.out.println("Data Packet");  
                System.out.println("===============================================");  
                int i = 0;  
                for (Barang o:data) {  
                     System.out.println("Data To - "+(i+1));  
                     System.out.println("Name Sender\t= " + o.getNama_pengirim());  
                     System.out.println("Address Sender\t= " + o.getAlamat_pengirim());  
                     System.out.println("Name Receiver\t= " + o.getNama_penerima());  
                     System.out.println("Address Receiver= " + o.getAlamat_penerima());  
                     System.out.println("Number Tracker\t= " + o.getNomor_resi());  
                     System.out.println("Status\t\t= " + o.getStatus());  
                     System.out.println("Price\t\t= &. " + o.tarif);  
                     System.out.println("===============================================");  
                     i++;  
                }  
                System.out.println();  
                break;  
           case 4:  
                System.out.println("Exit ...");  
                System.exit(0);  
                break;  
           case 5:  
                System.out.println();  
                break;  
           default:  
                System.out.println("Error, Please Fill in the data Correctly ...");  
                break;  
           }  
   }  
      }  

• Barang.java

 package object;  
 public class Barang {  
      public String nama_pengirim, alamat_pengirim, nama_penerima, alamat_penerima,  
      status;  
      public int nomor_resi, berat_barang, panjang_barang, lebar_barang, tinggi_barang;  
      public double tarif;  
      public Barang(String nPengirim, String alaPengirim, String nPenerima, String alaPenerima,  
                int resi, int berat, int panjang, int lebar, int tinggi){  
           nama_pengirim = nPengirim;  
           alamat_pengirim = alaPengirim;  
           nama_penerima = nPenerima;  
           alamat_penerima = alaPenerima;  
           berat_barang = berat;  
           panjang_barang = panjang;  
           lebar_barang = lebar;  
           tinggi_barang = tinggi;  
           nomor_resi = resi;  
      }  
      public String getNama_pengirim() {  
           return nama_pengirim;  
      }  
      public String getAlamat_pengirim() {  
           return alamat_pengirim;  
      }  
      public String getNama_penerima() {  
           return nama_penerima;  
      }  
      public String getAlamat_penerima() {  
           return alamat_penerima;  
      }  
      public String getStatus() {  
           status = "Dikirim";  
           return status;  
      }  
      public int getNomor_resi() {  
           return nomor_resi;  
      }  
      public void rumus(){  
           tarif = (berat_barang * 5) + (panjang_barang * lebar_barang * tinggi_barang * 1);  
      }  
 }  

• Induk.java

 package object;  
 public class Induk {  
      public int berat_barang, panjang_barang, lebar_barang, tinggi_barang;  
      public double tarif;  
      public Induk(int berat, int panjang, int lebar, int tinggi){  
           berat_barang = berat;  
           panjang_barang = panjang;  
           lebar_barang = lebar;  
           tinggi_barang = tinggi;  
      }  
 }  

• Tarif.java

 package object;  
 public class Tarif extends Induk {  
      public Tarif(int berat, int panjang, int lebar, int tinggi) {  
           super(berat, panjang, lebar, tinggi);  
      }  
      public void rumus(){  
           tarif = (super.berat_barang * 50) + (super.panjang_barang * super.lebar_barang * super.tinggi_barang * 10);  
      }  
 }  

 package object;  
 public class Satu {  
      public int angka;  
      public Satu(int angka){  
           this.angka = angka;  
      }  
 }