program struktur data

import java.util.Scanner;

public class WarungKlontong

{

public static int N=0;

public static void mengisi_data(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{

                Scanner masukan = new Scanner(System.in);

                int masukankarakter = 0;

                String lagi;

                do {        System.out.print("Kode="); kode[N]=masukan.next();

                                                System.out.print("Nama="); nama[N] = masukan.next();

                                                System.out.print("Jenis="); jenis[N] = masukan.next();

                                                System.out.print("Distributor="); distributor[N]=masukan.next();

                                                System.out.print("Harga="); harga[N]=masukan.nextInt();

                                                System.out.print("Jumlah Barang="); jumlah[N]=masukan.nextInt();

                                N++;

                                System.out.print("Ulang lagi atau tidak? ya/tidak");

                                lagi=masukan.next();

} while (lagi.equals("ya"));

}

public static void membaca_data(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

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

                System.out.println("No                |              Kode|   Nama|  Jenis|    Distributor|        Harga|  Jumlah");

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

                for(int i=0; i<=N-1; i++)

                {                System.out.println(i+"\t"+kode[i]+"\t"+nama[i]+"\t"+jenis[i]+"\t"+distributor[i]+"\t"+"\t"+harga[i]+"\t"+jumlah[i]);

}

                System.out.println("============= Pastikan Inputantan anda Benar==========");

}

public static void main(String[] args)

{              Scanner masukan = new Scanner(System.in);

String nama[] = new String[50];

String jenis[] = new String[50];

String kode[] = new String[50];

String distributor[] = new String[50];

int harga[] = new int[50];

int jumlah[] = new int[50];

int pilihan;

do

{

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

                System.out.println("      PROGRAM UNTUK PENGELOLAAN DATA [WARUNG KLONTONG]                             ");

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

                System.out.println("1.Memasukkan data barang baru");

                System.out.println("2.Menampilkan daftar barang");

                System.out.println("3.Menampilkan jenis barang yang anda inginkan");

                System.out.println("4.Menambah data di awal larik");

                System.out.println("5.Menambah data di tengah larik");

                System.out.println("6.Menambah data diakhir larik");

                System.out.println("7.Mengurutkan data");

                System.out.println("8.Mencari data");

                System.out.println("9.Mengupdate data");

                System.out.println("10.Keluar");

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

                System.out.println("Apa yang akan anda lakukan?");

                System.out.println("===================Pilih menu 1-9============================");

                pilihan=masukan.nextInt();

                switch(pilihan)

                {

                                case 1:mengisi_data(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 2:membaca_data(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 3:mencari_jenis_barang(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 4:menambah_data_didepan(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 5:menambah_data_ditengah(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 6:menambah_data_diakhir(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 7:mengurutkan_bubble(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 8:mencari_data(kode, nama, jenis, distributor, harga, jumlah);break;

                                case 9:meupdate_data(kode, nama, jenis, distributor, harga, jumlah);break;

                }

}

while (pilihan !=10);

System.out.println("================Terima kasih atas kunjungannya=================");

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

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

}

public static void mencari_jenis_barang(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{

                Scanner masukan = new Scanner(System.in);

                int masukankarakter = 0;

                int masukanKaraker=0;

                boolean statusketemu=false;

                int lokasi=-99;

                System.out.print("Silakan masukan jenis barang yang anda cari=");

                String jenisCari=masukan.next();

                for(int i=0; i<=N-1; i++)

                                if(jenis[i].equals(jenisCari))

                System.out.println(i+"\t"+kode[i]+"\t"+nama[i]+"\t"+jenis[i]+"\t"+distributor[i]+"\t"+"\t"+harga[i]+"\t"+jumlah[i]);

}

//MENAMBAH DATA DIAWAL

public static void menambah_data_didepan(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{              Scanner masukan = new Scanner(System.in);

                int masukankarakter=0;

                for (int i=N; i>=1; i--)

                {              nama[i] = nama[i-1];

                                jenis[i] = jenis[i-1];

                                kode[i] = kode[i-1];

                                distributor[i] = distributor[i-1];

                                harga[i] = harga[i-1];

                                jumlah[i] = jumlah[i-1];

}

System.out.print("Kode baru ="); kode[0] = masukan.next();

System.out.print("Nama baru ="); nama[0] = masukan.next();

System.out.print("Jenis baru ="); jenis[0] = masukan.next();

System.out.print("Distributor baru ="); distributor[0] = masukan.next();

System.out.print("Harga baru ="); harga[0] = masukan.nextInt();

System.out.print("Jumlah baru ="); jumlah[0] = masukan.nextInt();

N++;

}

//MENAMBAH DATA DITENGAH

public static void menambah_data_ditengah(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{              Scanner masukan = new Scanner(System.in);

                int masukankarakter=0;

System.out.print("silakan tentukan lokasi penyisipan=");

int X=masukan.nextInt();

for          (int i=N; i>=X+1; i--)

{                              kode[i] = kode[i-1];

                                nama[i] = nama[i-1];

                                jenis[i] = jenis[i-1];

                                distributor[i] = distributor[i-1];

                                harga[i] = harga[i-1];

                                jumlah[i] = jumlah[i-1];

}

System.out.print("Kode baru ="); kode[X] = masukan.next();

System.out.print("Nama baru ="); nama[X] = masukan.next();

System.out.print("Jenis baru ="); jenis[X] = masukan.next();

System.out.print("Distributor baru ="); distributor[X] = masukan.next();

System.out.print("Harga baru ="); harga[X] = masukan.nextInt();

System.out.print("Jumlah baru ="); jumlah[X] = masukan.nextInt();

N++;

}

//MENAMBAH DATA DIAKHIR

public static void menambah_data_diakhir(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{              Scanner masukan = new Scanner(System.in);

                int masukankarakter=0;

                System.out.print("Kode baru ="); kode[N] = masukan.next();

                System.out.print("Nama baru ="); nama[N] = masukan.next();

                System.out.print("Jenis baru ="); jenis[N] = masukan.next();

                System.out.print("Distributor baru ="); distributor[N] = masukan.next();

                System.out.print("Harga baru ="); harga[N] = masukan.nextInt();

                System.out.print("Jumlah baru ="); jumlah[N] = masukan.nextInt();

N++;

}

//MENCARI DATA

public static void mencari_data(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{              Scanner masukan = new Scanner(System.in);

                boolean statusketemu=false;

                int posisi=-999999;

                System.out.print("Silakan masukan nama yang anda cari=");

                String namaCari=masukan.next();

                int awal=0;

                int akhir=N-1;

                int tengah=(awal+akhir)/2;

                if (nama[0].equals(namaCari))

                {              statusketemu=true;

                                posisi=0;

                }

else if (nama[N-1].equals(namaCari))

{              statusketemu=true;

                posisi=N-1;

                }

else

{

                while     ((statusketemu==false)&&(akhir-awal!=1))

                {

System.out.println("awal="+awal+"        akhir="+akhir+"                tengah="+tengah);

System.out.println("nama[tengah]="+nama[tengah]+".vs. namaCari="+namaCari);

System.out.println("");

if (nama[tengah].compareTo(namaCari) < 0)

{              awal=tengah;

                tengah=(awal+akhir)/2;

}

else if (nama[tengah].compareTo(namaCari) > 0)

{              akhir=tengah;

                tengah=(awal+akhir)/2;

                }

else if (nama[tengah].equals(namaCari))

{              statusketemu=true;

                posisi=tengah;

                }

                }

}

System.out.println("status pencarian="+statusketemu+" di posisi ke ="+posisi);

}

//MENGURUTKAN DATA

public static void mengurutkan_bubble(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{              Scanner masukan = new Scanner(System.in);

                String namasementara; String jenissementara; String kodesementara; String distributorsementara; int hargasementara; int jumlahsementara;

                for (int tahap=0; tahap<=N-2; tahap++)

                {              for(int i=0; i<=N-2-tahap; i++)

                                {              if             (harga[i] > harga[i+1])

                                {

                                                kodesementara = kode[i];

                                                kode[i] = kode[i+1];

                                                kode[i+1] = kodesementara;

                                                namasementara = nama[i];

                                                nama[i] = nama[i+1];

                                                nama[i+1] = namasementara;

                                                jenissementara = jenis[i];

                                                jenis[i] = jenis[i+1];

                                                jenis[i+1] = jenissementara;

                                                distributorsementara = distributor[i];

                                                distributor[i] = distributor[i+1];

                                                distributor[i+1] = distributorsementara;

                                                hargasementara = harga[i];

                                                harga[i] = harga[i+1];

                                                harga[i+1] = hargasementara;

                                                jumlahsementara = jumlah[i];

                                                jumlah[i] = jumlah[i+1];

                                                jumlah[i+1] = jumlahsementara;

                                                }

                                }

                }

}

//UPDATE DATA

public static void meupdate_data(String nama[], String jenis[], String kode[], String distributor[], int harga[], int jumlah[])

{

                Scanner masukan = new Scanner(System.in);

                int masukankarakter = 0;

                int masukanKaraker=0;

                boolean statusketemu=false;

                int lokasi=-99;

                System.out.print("Silakan masukan nama barang yang anda cari=");

                String namaCari=masukan.next();

                for (int i=0; i<=(N-1); i++)

                {

                                if(nama[i].equals(namaCari))

                                {              statusketemu=true;

                                                lokasi=i;

                                                }

                                }

System.out.println("status pencarian="+statusketemu+" di posisi ke="+lokasi);

System.out.println("data terekam: nama="+nama[lokasi]+"kode="+kode[lokasi]);

System.out.println("silakan masukan data yang baru berikut ini:");

System.out.print("kode baru="); kode[lokasi]=masukan.next();

System.out.print("nama baru="); nama[lokasi]=masukan.next();

System.out.print("jenis baru="); jenis[lokasi]=masukan.next();

System.out.print("distributor baru="); distributor[lokasi]=masukan.next();

System.out.print("harga baru="); harga[lokasi]=masukan.nextInt();

System.out.print("jumlah baru="); jumlah[lokasi]=masukan.nextInt();

}

}