Implementasi sebuah sistem database dengan menggunakan OOP dan disertai oleh File Handling, terdapat 8 rancangan class :
MainMenu
Orang
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class Orang extends Database
{
private String ID;
private String Nama;
private String Departemen;
public Orang()
{
ID = "";
Nama = "";
Departemen = "";
}
public String GetA()
{
return ID;
}
public String GetB()
{
return Nama;
}
public String GetC()
{
return Departemen;
}
}
PeminjamanBuku
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class PeminjamanBuku extends Database
{
private String KodeBuku;
private String WaktuPinjam;
private String WaktuKembali;
public PeminjamanBuku()
{
KodeBuku = "";
WaktuPinjam = "";
WaktuKembali = "";
}
public String GetA()
{
return KodeBuku;
}
public String GetB()
{
return WaktuPinjam;
}
public String GetC()
{
return WaktuKembali;
}
}
MataKuliah
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class MataKuliah extends Database
{
private String KodeKelas;
private String Tempat;
private String Dosen;
public MataKuliah()
{
KodeKelas = "";
Tempat = "";
Dosen = "";
}
public String GetA()
{
return KodeKelas;
}
public String GetB()
{
return Tempat;
}
public String GetC()
{
return Dosen;
}
}
- Database (Class yang memiliki kemiripan dengan CRUD system)
- MainMenu (Menu utama tempat user berinteraksi)
- PeminjamanBuku (Class Peminjaman yang dapat dimodifikasi)
- MataKuliah (Class MataKuliah yang dapat dimodifikasi)
- Orang (Class yang menjadi parent dari Pegawai, Dosen, Mahasiswa)
- Pegawai
- Dosen
- Mahasiswa
Source Code (*yang dicantumkan adalah source code inti, source code yang sifatnya dinamis. Selain Database, MainMenu, Orang, PeminjamanBuku, dan MataKuliah)
Database
Database
import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.FileReader;
import java.io.BufferedReader;
import java.util.Scanner;
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class Database
{
public Database()
{
}
public void Add(String text, String filepath) throws IOException
{
String endofline = "\r\n";
FileWriter fw = new FileWriter(filepath + ".txt", true);
fw.write(text + endofline);
fw.close();
}
public void Read(String filepath, int content) throws IOException
{
BufferedReader reader;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt"));
String line = reader.readLine();
while(line != null)
{
for(int a = 1; a < content + 1; a++)
{
System.out.println(a + " : " + line);
line = reader.readLine();
}
System.out.println("");
}
reader.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
public void Match(String target, String filepath, int content) throws IOException
{
BufferedReader reader;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt"));
String line = reader.readLine();
//int content = 3;
while(line != null)
{
if(line.equals(target))
{
System.out.println(line);
for(int a = 1; a < content + 1; a++)
{
System.out.println(a + " : " + line);
line = reader.readLine();
}
System.out.println("");
}
else{
line = reader.readLine();
}
}
reader.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
public void Delete(String target, String filepath, int content) throws IOException
{
//Step 1
BufferedReader reader;
FileWriter fw;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt")); //Read Original File
fw = new FileWriter(filepath + "duplicate.txt"); //Write Duplicate File
String line = reader.readLine();
//int content = 3; //Banyak data
while(line != null)
{
if(line.equals(target))
{
for(int a = 0; a < content; a++)
{
line = reader.readLine();
}
}
else
{
String endofline = "\r\n";
fw.write(line + endofline);
line = reader.readLine();
}
}
reader.close();
fw.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
BufferedReader reader2;
FileWriter fw2;
//Step 2
try{
reader2 = new BufferedReader(new FileReader(filepath + "duplicate.txt")); //Scan Duplicate File
fw2 = new FileWriter(filepath + ".txt"); //Delete and Rewrite Original File
String line = reader2.readLine();
//int content = 3; //Banyak data
while(line != null)
{
String endofline = "\r\n";
fw2.write(line + endofline);
line = reader2.readLine();
}
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
}
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.FileReader;
import java.io.BufferedReader;
import java.util.Scanner;
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class Database
{
public Database()
{
}
public void Add(String text, String filepath) throws IOException
{
String endofline = "\r\n";
FileWriter fw = new FileWriter(filepath + ".txt", true);
fw.write(text + endofline);
fw.close();
}
public void Read(String filepath, int content) throws IOException
{
BufferedReader reader;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt"));
String line = reader.readLine();
while(line != null)
{
for(int a = 1; a < content + 1; a++)
{
System.out.println(a + " : " + line);
line = reader.readLine();
}
System.out.println("");
}
reader.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
public void Match(String target, String filepath, int content) throws IOException
{
BufferedReader reader;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt"));
String line = reader.readLine();
//int content = 3;
while(line != null)
{
if(line.equals(target))
{
System.out.println(line);
for(int a = 1; a < content + 1; a++)
{
System.out.println(a + " : " + line);
line = reader.readLine();
}
System.out.println("");
}
else{
line = reader.readLine();
}
}
reader.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
public void Delete(String target, String filepath, int content) throws IOException
{
//Step 1
BufferedReader reader;
FileWriter fw;
try{
reader = new BufferedReader(new FileReader(filepath + ".txt")); //Read Original File
fw = new FileWriter(filepath + "duplicate.txt"); //Write Duplicate File
String line = reader.readLine();
//int content = 3; //Banyak data
while(line != null)
{
if(line.equals(target))
{
for(int a = 0; a < content; a++)
{
line = reader.readLine();
}
}
else
{
String endofline = "\r\n";
fw.write(line + endofline);
line = reader.readLine();
}
}
reader.close();
fw.close();
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
BufferedReader reader2;
FileWriter fw2;
//Step 2
try{
reader2 = new BufferedReader(new FileReader(filepath + "duplicate.txt")); //Scan Duplicate File
fw2 = new FileWriter(filepath + ".txt"); //Delete and Rewrite Original File
String line = reader2.readLine();
//int content = 3; //Banyak data
while(line != null)
{
String endofline = "\r\n";
fw2.write(line + endofline);
line = reader2.readLine();
}
}catch(FileNotFoundException ex){
ex.printStackTrace();
}
}
}
MainMenu
import java.io.File;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.FileReader;
import java.io.BufferedReader;
import java.util.Scanner;
import java.util.concurrent.TimeUnit;
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class MainMenu
{
private int choice;
private Database dobject;
private PeminjamanBuku pbobject;
private MataKuliah mkobject;
private Pegawai pgobject;
private Dosen dsobject;
private Mahasiswa mhsobject;
public MainMenu()
{
dobject = new Database();
pbobject = new PeminjamanBuku();
mkobject = new MataKuliah();
pgobject = new Pegawai();
dsobject = new Dosen();
mhsobject = new Mahasiswa();
main();
}
public void main()
{
System.out.print('\u000C');
System.out.println("Welcome to ITS Student and Staff Database");
System.out.println("Command : ");
System.out.println("1. Manajemen Mahasiswa");
System.out.println("2. Manajemen Pegawai");
System.out.println("3. Manajemen Dosen");
System.out.println("4. Peminjaman Buku");
System.out.println("5. Exit");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
if(choice == 5)
{
return;
}
if(choice >= 1 && choice <= 4)
{
System.out.print('\u000C');
}
else
{
System.out.print('\u000C');
System.out.println("Invalid Input");
main();
}
switch(choice)
{
case 1:
ManajemenMahasiswa();
break;
case 2:
ManajemenPegawai();
break;
case 3:
ManajemenDosen();
break;
case 4:
PeminjamanBuku();
break;
}
}
public void ManajemenMahasiswa()
{
System.out.print('\u000C');
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String id = input.nextLine();
System.out.print("NRP : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
mhsobject.Add(id, "mahasiswa");
mhsobject.Add(nama, "mahasiswa");
mhsobject.Add(departemen, "mahasiswa");
System.out.println("");
System.out.println("Press any key to continue...");
String data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
mhsobject.Read("mahasiswa", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NRP : ");
String data = input.nextLine();
mhsobject.Match(data, "mahasiswa", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NRP : ");
String data = input.nextLine();
mhsobject.Delete(data, "mahasiswa", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void ManajemenPegawai()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("NID : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
pgobject.Add(id, "pegawai");
pgobject.Add(nama, "pegawai");
pgobject.Add(departemen, "pegawai");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
pgobject.Read("pegawai", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIP : ");
String data = input.nextLine();
pgobject.Match(data, "pegawai", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIP : ");
String data = input.nextLine();
pgobject.Delete(data, "pegawai", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void ManajemenDosen()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("NIDN : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
dsobject.Add(id, "dosen");
dsobject.Add(nama, "dosen");
dsobject.Add(departemen, "dosen");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
dsobject.Read("dosen", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIDN : ");
String data = input.nextLine();
dsobject.Match(data, "dosen", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIDN : ");
String data = input.nextLine();
dsobject.Delete(data, "dosen", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void PeminjamanBuku()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("ID : ");
id = input.nextLine();
System.out.print("Tanggal Pinjam : ");
String nama = input.nextLine();
System.out.print("Tanggal Kembali : ");
String departemen = input.nextLine();
pbobject.Add(id, "buku");
pbobject.Add(nama, "buku");
pbobject.Add(departemen, "buku");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
pbobject.Read("buku", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Tanggal Pinjam");
System.out.println("Data ke - 3 : Tanggal Kembali");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("ID : ");
String data = input.nextLine();
pbobject.Match(data, "buku", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("ID : ");
String data = input.nextLine();
pbobject.Delete(data, "buku", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
}
import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.FileReader;
import java.io.BufferedReader;
import java.util.Scanner;
import java.util.concurrent.TimeUnit;
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class MainMenu
{
private int choice;
private Database dobject;
private PeminjamanBuku pbobject;
private MataKuliah mkobject;
private Pegawai pgobject;
private Dosen dsobject;
private Mahasiswa mhsobject;
public MainMenu()
{
dobject = new Database();
pbobject = new PeminjamanBuku();
mkobject = new MataKuliah();
pgobject = new Pegawai();
dsobject = new Dosen();
mhsobject = new Mahasiswa();
main();
}
public void main()
{
System.out.print('\u000C');
System.out.println("Welcome to ITS Student and Staff Database");
System.out.println("Command : ");
System.out.println("1. Manajemen Mahasiswa");
System.out.println("2. Manajemen Pegawai");
System.out.println("3. Manajemen Dosen");
System.out.println("4. Peminjaman Buku");
System.out.println("5. Exit");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
if(choice == 5)
{
return;
}
if(choice >= 1 && choice <= 4)
{
System.out.print('\u000C');
}
else
{
System.out.print('\u000C');
System.out.println("Invalid Input");
main();
}
switch(choice)
{
case 1:
ManajemenMahasiswa();
break;
case 2:
ManajemenPegawai();
break;
case 3:
ManajemenDosen();
break;
case 4:
PeminjamanBuku();
break;
}
}
public void ManajemenMahasiswa()
{
System.out.print('\u000C');
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String id = input.nextLine();
System.out.print("NRP : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
mhsobject.Add(id, "mahasiswa");
mhsobject.Add(nama, "mahasiswa");
mhsobject.Add(departemen, "mahasiswa");
System.out.println("");
System.out.println("Press any key to continue...");
String data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
mhsobject.Read("mahasiswa", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NRP : ");
String data = input.nextLine();
mhsobject.Match(data, "mahasiswa", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NRP : ");
String data = input.nextLine();
mhsobject.Delete(data, "mahasiswa", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void ManajemenPegawai()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("NID : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
pgobject.Add(id, "pegawai");
pgobject.Add(nama, "pegawai");
pgobject.Add(departemen, "pegawai");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
pgobject.Read("pegawai", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIP : ");
String data = input.nextLine();
pgobject.Match(data, "pegawai", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIP : ");
String data = input.nextLine();
pgobject.Delete(data, "pegawai", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void ManajemenDosen()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("NIDN : ");
id = input.nextLine();
System.out.print("Nama : ");
String nama = input.nextLine();
System.out.print("Departemen : ");
String departemen = input.nextLine();
dsobject.Add(id, "dosen");
dsobject.Add(nama, "dosen");
dsobject.Add(departemen, "dosen");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
dsobject.Read("dosen", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Nama");
System.out.println("Data ke - 3 : Departemen");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIDN : ");
String data = input.nextLine();
dsobject.Match(data, "dosen", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("NIDN : ");
String data = input.nextLine();
dsobject.Delete(data, "dosen", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
public void PeminjamanBuku()
{
System.out.println("Manajemen Mahasiswa");
System.out.println("Command : ");
System.out.println("1. Input data");
System.out.println("2. Read data");
System.out.println("3. Find data");
System.out.println("4. Delete data");
System.out.print("Choice : ");
Scanner input = new Scanner(System.in);
int choice = input.nextInt();
switch(choice)
{
case 1:
System.out.print('\u000C');
System.out.println("-Input Data-");
try
{
String data;
String id = input.nextLine();
System.out.print("ID : ");
id = input.nextLine();
System.out.print("Tanggal Pinjam : ");
String nama = input.nextLine();
System.out.print("Tanggal Kembali : ");
String departemen = input.nextLine();
pbobject.Add(id, "buku");
pbobject.Add(nama, "buku");
pbobject.Add(departemen, "buku");
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 2:
System.out.print('\u000C');
System.out.println("-Read Data-");
try
{
pbobject.Read("buku", 3);
System.out.println("");
System.out.println("Data ke - 1 : ID");
System.out.println("Data ke - 2 : Tanggal Pinjam");
System.out.println("Data ke - 3 : Tanggal Kembali");
System.out.println("Press any key to continue...");
String data = input.nextLine();
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 3:
System.out.print('\u000C');
System.out.println("-Find Data-");
try
{
String skipper = input.nextLine();
System.out.print("ID : ");
String data = input.nextLine();
pbobject.Match(data, "buku", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
case 4:
System.out.print('\u000C');
System.out.println("-Delete Data-");
try
{
String skipper = input.nextLine();
System.out.print("ID : ");
String data = input.nextLine();
pbobject.Delete(data, "buku", 3);
System.out.println("");
System.out.println("Press any key to continue...");
data = input.nextLine();
}catch(IOException ex){
}
main();
break;
}
}
}
Orang
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class Orang extends Database
{
private String ID;
private String Nama;
private String Departemen;
public Orang()
{
ID = "";
Nama = "";
Departemen = "";
}
public String GetA()
{
return ID;
}
public String GetB()
{
return Nama;
}
public String GetC()
{
return Departemen;
}
}
PeminjamanBuku
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class PeminjamanBuku extends Database
{
private String KodeBuku;
private String WaktuPinjam;
private String WaktuKembali;
public PeminjamanBuku()
{
KodeBuku = "";
WaktuPinjam = "";
WaktuKembali = "";
}
public String GetA()
{
return KodeBuku;
}
public String GetB()
{
return WaktuPinjam;
}
public String GetC()
{
return WaktuKembali;
}
}
MataKuliah
/**
*
*
* @author Satria Ade Veda Karuniawan
* @version 0.1
*/
public class MataKuliah extends Database
{
private String KodeKelas;
private String Tempat;
private String Dosen;
public MataKuliah()
{
KodeKelas = "";
Tempat = "";
Dosen = "";
}
public String GetA()
{
return KodeKelas;
}
public String GetB()
{
return Tempat;
}
public String GetC()
{
return Dosen;
}
}
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