Program Untuk Mesin Kasir Pizza ( Java )

import java.util.Scanner;
public class menupizza
{
public static void main (String args[])
{

String kt="";
double hrg=0,tot=0,dis=0,b=0,ppn=0,tb=0;
System.out.println(" ");
System.out.println(" ================================================== ");
System.out.println("                MENU PIZZA SAUNG ABAH               ");
System.out.println(" ================================================== ");
System.out.println(" ");
System.out.println(" 1. PAN PIZZA SMALL   (code = 1) ");
System.out.println("   2. PAN PIZZA MEDIUM  (code = 2) ");
System.out.println(" 3. PAN PIZZA LARGE   (code = 3) ");
System.out.println(" ");
System.out.println(" ================================================== ");

Scanner pilih=new Scanner (System.in);
System.out.println("");
System.out.print(" Silahkan Pilih Menu Pizza : "); int k=pilih.nextInt();
Scanner byk=new Scanner (System.in);
System.out.print(" Banyaknya : "); int bnyk=byk.nextInt();
Scanner kirim=new Scanner (System.in);
System.out.print(" Pesan Antar (Y/T) : ");
String a=kirim.nextLine();
switch (k)
{
case 1 :
kt=" PAN PIZZA SMALL ";
hrg=36000;
break;
case 2 :
kt=" PAN PIZZA MEDIUM ";
hrg=42000;
break;
case 3:
kt=" PAN PIZZA LARGE ";
hrg=58000;
break;
default: System.out.println(" Pilihan Anda Salah...! ");
System.exit(0);
break;
}
tot=hrg*bnyk;


if (tot >=100000)
dis=0.15*tot;
else
{ dis=0*tot; }

if ((a.equals("Y"))||(a.equals("y")))

b=15000;
else{ ppn=0.1*tot; }
tb=tot-dis+ppn+b;

System.out.println(" ");
System.out.println(" ------------------ ");
System.out.println(" PESANAN PIZZA ANDA ");
System.out.println(" ------------------ ");
System.out.println(" ");
System.out.println(" Nama Pizza :"+kt);
System.out.println(" Banyaknya : "+bnyk);
System.out.println(" Harga Satu Pan Pizza : Rp. "+hrg);
System.out.println(" Total : Rp. "+tot);
System.out.println(" Diskon : Rp. "+dis);
System.out.println(" Ppn 10% : Rp. "+ppn);
System.out.println(" Ongkos Kirim : Rp. "+b);
System.out.println(" Total Bayar : Rp. "+tb);
System.out.println(" ");
System.out.println(" ================================================== ");
System.out.println("               T E R I M A  K A S I H               ");
System.out.println(" ================================================== ");

}
}