Notes

package logic222.hari4.siang;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;
import java.util.concurrent.TimeUnit;

public class perpustakaan {

public static void main(String[] args) throws ParseException {
Scanner baca = new Scanner(System.in);
System.out.println("total pinjam buku :");
int pbuku=baca.nextInt();
System.out.println("total pinjam novel :");
int pnovel=baca.nextInt();
System.out.println("total pinjam skripsi :");
int pskripsi=baca.nextInt();
baca.nextLine();
System.out.println("tanggal kembali :");
String tgl1 = baca.nextLine();
System.out.println("tanggal realisai :");
String tgl2 = baca.nextLine();
perpustakaan pr = new perpustakaan();
//selsih
int selisih=(int) pr.selisih(tgl1, tgl2);

//denda buku
int dendabuku = pr.dendabuku(pbuku, selisih);

//denda novel
int dendanovel = pr.dendanovel(pnovel, selisih);

//denda skripsi
int dendaskripsi = pr.dendaskripsi(pskripsi, selisih);
int totaldenda = dendabuku+dendanovel+dendaskripsi;

//cetak
pr.cetak(dendabuku, dendanovel, dendaskripsi, totaldenda);
}

public long selisih(String tgl2,String tgl1) throws ParseException {
long selisih=0;
SimpleDateFormat format = new SimpleDateFormat("dd/MM/yyyy");
Date tgla=(Date)format.parse(tgl1);
Date tglb=(Date)format.parse(tgl2);
selisih = tgla.getTime()-tglb.getTime();
//konvert millisecond ke hari
selisih = TimeUnit.MILLISECONDS.toDays(selisih);
return selisih;
}

public int dendabuku(int pbuku,int selisih) {
int dbuku=0;
int Thari=selisih-10;
if (Thari>0) {
dbuku=2000*pbuku*Thari;
}
return dbuku;
}

public int dendanovel(int pnovel,int selisih) {
int dnovel=0;
int Thari=selisih-10;
if (Thari>0) {
dnovel=5000*pnovel*Thari;
}
return dnovel;
}

public int dendaskripsi(int pskripsi,int selisih) {
int dskripsi=0;
int Thari=selisih-10;
if (Thari>0) {
dskripsi=10000*pskripsi*Thari;
}
return dskripsi;
}

public void cetak(int buku,int novel,int skripsi,int totalD) {
System.out.println("denda buku :"+buku);
System.out.println("denda novel :"+novel);
System.out.println("denda skripsi :"+skripsi);
System.out.println("Total denda :"+ totalD);
}
}