Silahkan tulis di buku catatan, dan jelaskan fungsi atau method yang tertera didalam contoh kodingan sederhana dibawah ini :
// nama filenya penjualan.java
import java.io.*;
public class penjualan
{
public static void main(String[] args) throws Exception
{
String[]nmbrg = new String[50];
int[]jum = new int[100];
int[]hrg = new int[100];
DataInputStream karakter = new DataInputStream(System.in);
System.out.print(“Masukan Bulan Penjualan : “);
String bulan=karakter.readLine();
System.out.print(“Masukan jumlah data : “);
String jml=karakter.readLine();
int data = Integer.valueOf(jml).intValue();
for(int i=0;i<data;i++)
{
System.out.print(“Nama Barang Ke-“+(i+1)+” = “);
String nm=karakter.readLine();
nmbrg[i]=nm;
System.out.print(“Jumlah : “);
String jlh=karakter.readLine();
int jlah = Integer.valueOf(jlh).intValue();
jum[i]=jlah;
System.out.print(“Harga Rp.: “);
String har=karakter.readLine();
int harg = Integer.valueOf(har).intValue();
hrg[i]=harg;
}
System.out.println(“LAPORAN PENJUALAN PT. STI&K”);
System.out.println(“BULAN : “+bulan);
System.out.println(“================================================”);
System.out.println(“NO NAMA BARANG JUMLAH HARGA TOTAL “);
System.out.println(“================================================”);
int tpenj=0;
for(int i=0;i<data;i++)
{
System.out.println((i+1)+” “+nmbrg[i]+” “+jum[i]+” “+hrg[i]+
” “+(jum[i]*hrg[i]));
tpenj = tpenj + (jum[i]*hrg[i]);
}
System.out.println(“================================================”);
System.out.println(“TOTAL BARANG : “+data);
System.out.println(“TOTAL PENJUALAN : “+tpenj);
}
}
