Tugas Konsep Pemrograman

import java.io.* ;
class soal{
public static void main(String Arg[]) throws IOException{
      String str ;
      String NIP ;
      String Nama ;
      String jbt ;
      double gaji=0 ;
      double pajak =0 ;
      double total=0 ;
      int pil, Kdj ;
BufferedReader Get=new BufferedReader(new  InputStreamReader(System.in)) ;
do{   
System.out.println("Menu utama");
System.out.println("1. Menghitung gaji pegawai");
System.out.println("2. Keluar");
System.out.print("Pilihan Anda…!!! : "); str = Get.readLine() ;

pil= Integer.parseInt(str) ;
switch(pil){
case 1:
System.out.print("NIP       : ")  ; NIP = Get.readLine() ;
System.out.print("Nama      : ")  ; Nama = Get.readLine() ;   
System.out.print("Kode      : ")  ; str = Get.readLine() ;
         
Kdj = Integer.parseInt(str) ;
if (Kdj==1) {
jbt = "Direktur"  ; gaji = 5000000 ;
} else if (Kdj==2) {
jbt = "Wakil Direktur"  ; gaji = 4000000 ;
} else if (Kdj==3) {
jbt = "Bendahara"  ; gaji = 3000000 ;
} else if (Kdj==4) {
jbt = "Staf"  ; gaji = 2000000 ;
} else {
jbt = ""  ; gaji = 0 ;
}
pajak = 0.1 * gaji ;
total = gaji-pajak ;
System.out.println("Jabatan   : " + jbt )  ;
System.out.println("Gaji      : " + gaji)  ;
System.out.println("Pajak     : " + pajak )  ;
System.out.println("Total     : " + total )  ;
break ;
}
        System.out.print("By : Lisa Irmadayanti");    str = Get.readLine() ;
        }while(pil != 2);
     } 

}