Tugas : Pengenalan Program Berorientasi Objek (PBO)

Berikut ini Algortima dari kasus (Entry Buku Alamat) diatas :

- Pertama buat Class StudentRecord

package TUGAS 3; /** * * @author Iyan Sofi Ansori (1B115035) */ public class StudentRecord { private String[] name=new String [100]; private String[] alamate=new String [100]; private String[] telpone=new String [100]; private String[] emaile=new String [100]; private static int studentCount; private static int indek; public StudentRecord(){ studentCount=0; } public String getName(int indek){ return name[indek]; } public String getAlamat(int indek){ return alamate[indek]; } public String getTelpon(int indek){ return telpone[indek]; } public String getEmail(int indek){ return emaile[indek]; } public void setName( String nama, int indek,String alamat,String telpon,String email){ name[indek] = nama; alamate[indek] = alamat; telpone[indek] = telpon; emaile[indek] = email; studentCount++; } public static int getStudentCount(){ return studentCount; } }

- Kemudian buat Class StudentRecordExample

import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class StudentRecordExample { public static void main( String[] args ){ BufferedReader dataIn=new BufferedReader(new InputStreamReader(System.in)); String [] nama =new String[100]; String [] alamat =new String[100]; String [] telp =new String[100]; String [] email =new String[100]; //membuat 5 object StudentRecord StudentRecord namaRecord = new StudentRecord(); for(int i=0; i<2; i++ ){ System.out.print("Input Nama: "); try{ nama[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Alamat: "); try{ alamat[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input telpon: "); try{ telp[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Email: "); try{ email[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } } for(int i=0; i<2; i++ ){ namaRecord.setName(nama[i],i,alamat[i],telp[i],email[i]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(i) ); System.out.println("Alamat :"+namaRecord.getAlamat(i) ); System.out.println("Telepon :"+namaRecord.getTelpon(i) ); System.out.println("Email :"+namaRecord.getEmail(i) ); System.out.println("==========================================="); } System.out.println("\nTotal Jumlah Siswa ="+StudentRecord.getStudentCount()); } }

Berikut ini Algortima dari kasus (Buku Alamat) diatas :

import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.IOException; public class StudentMenu { public static void main( String[] args ){ StudentRecord namaRecord = new StudentRecord(); BufferedReader dataIn=new BufferedReader(new InputStreamReader(System.in)); String [] nama =new String[100]; String [] alamat =new String[100]; String [] telp =new String[100]; String [] email =new String[100]; String PIL=""; String n=""; String yatidak=""; int no; int jumlah=0; do { try { System.out.println("************* MENU ************"); System.out.println("** 1. MEMASUKAN DATA **"); System.out.println("** 2. MENGHAPUS DATA **"); System.out.println("** 3. MENAMPILKAN DATA **"); System.out.println("** 4. MENGUBAH DATA **"); System.out.println("** 5. KELUAR **"); System.out.println("*******************************"); System.out.print("\nMASUKAN PILIHAN [1..5]:"); try{ PIL=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } //Menampilkan nama siswa switch(Integer.parseInt(PIL)){ //awal prosedur memasukan case 1: System.out.print("Input Jumlah Siswa Baru:"); try{ n=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } jumlah=Integer.parseInt(n); for(int i=0; i<jumlah; i++ ){ System.out.println("Data ke: "+(i+1)); System.out.print("Input Nama: "); try{ nama[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Alamat: "); try{ alamat[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input telpon: "); try{ telp[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Email: "); try{ email[i]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } } for(int i=0; i<jumlah; i++ ){ namaRecord.setName(nama[i],i,alamat[i],telp[i],email[i]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(i) ); System.out.println("Alamat :"+namaRecord.getAlamat(i) ); System.out.println("Telepon :"+namaRecord.getTelpon(i) ); System.out.println("Email :"+namaRecord.getEmail(i) ); System.out.println("==========================================="); } System.out.println("Data Telah Berhasil dimasukan"); break; //AKHIR prosedur memasukan case 2: System.out.println("Menghapus Data"); System.out.print("Input No Siswa yang Akan Dihapus: Input [1-"+jumlah+"]: "); try{ n=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } no=Integer.parseInt(n); System.out.println("Ditemukan Data ke- "+no); no=no-1; namaRecord.setName(nama[no],no,alamat[no],telp[no],email[no]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(no) ); System.out.println("Alamat :"+namaRecord.getAlamat(no) ); System.out.println("Telepon :"+namaRecord.getTelpon(no) ); System.out.println("Email :"+namaRecord.getEmail(no) ); System.out.println("==========================================="); System.out.print("Yakin akan dihapus? [y]/[t] :"); try{ yatidak=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } if ((yatidak=="tidak")||(yatidak=="t")||(yatidak=="T")){ System.out.println("Data Tidak Jadi di hapus"); }else{ nama[no]=""; alamat[no]=""; telp[no]=""; email[no]=""; namaRecord.setName(nama[no],no,alamat[no],telp[no],email[no]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(no) ); System.out.println("Alamat :"+namaRecord.getAlamat(no) ); System.out.println("Telepon :"+namaRecord.getTelpon(no) ); System.out.println("Email :"+namaRecord.getEmail(no) ); System.out.println("==========================================="); System.out.println("Data Berhasil Dihapus"); } break; case 3: System.out.println("DAFTAR SEMUA DATA SISWA"); System.out.println("==========================================="); for(int i=0; i<jumlah; i++ ){ namaRecord.setName(nama[i],i,alamat[i],telp[i],email[i]); System.out.println("Nama :"+namaRecord.getName(i) ); System.out.println("Alamat :"+namaRecord.getAlamat(i) ); System.out.println("Telepon :"+namaRecord.getTelpon(i) ); System.out.println("Email :"+namaRecord.getEmail(i) ); System.out.println("==========================================="); } break; case 4: System.out.println("Mengubah Data"); System.out.print("Input No Siswa yang Akan Diubah datanya: Input [1-"+jumlah+"]: "); try{ n=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } no=Integer.parseInt(n); System.out.println("Ditemukan Data ke- "+no); no=no-1; namaRecord.setName(nama[no],no,alamat[no],telp[no],email[no]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(no) ); System.out.println("Alamat :"+namaRecord.getAlamat(no) ); System.out.println("Telepon :"+namaRecord.getTelpon(no) ); System.out.println("Email :"+namaRecord.getEmail(no) ); System.out.println("==========================================="); System.out.print("Lanjutkan Proses Ubah Data? [y]/[t] :"); try{ yatidak=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } if ((yatidak=="tidak")||(yatidak=="t")||(yatidak=="T")){ System.out.println("Data Tidak Jadi di ubah"); }else{ System.out.println("Proses Ubah Data ke: "+(no+1)); System.out.print("Input Nama: "); try{ nama[no]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Alamat: "); try{ alamat[no]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input telpon: "); try{ telp[no]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } System.out.print("Input Email: "); try{ email[no]=dataIn.readLine(); }catch(IOException e){ System.out.println("Erorr!"); } namaRecord.setName(nama[no],no,alamat[no],telp[no],email[no]); System.out.println("==========================================="); System.out.println("Nama :"+namaRecord.getName(no) ); System.out.println("Alamat :"+namaRecord.getAlamat(no) ); System.out.println("Telepon :"+namaRecord.getTelpon(no) ); System.out.println("Email :"+namaRecord.getEmail(no) ); System.out.println("==========================================="); System.out.println("Data Berhasil Diubah"); } break; default: System.out.println("Terima Kasih"); } } catch (Exception e) { System.out.println("inputTidakValid"); } } while (Integer.parseInt(PIL) != 5); } }

Sumber program :
Buku Alamat
Entry Buku Alamat