Created
November 12, 2019 15:15
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Aplikasi ATM sederhana pisan
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| import 'dart:io'; | |
| class User { | |
| String nama, pin; | |
| int saldo; | |
| User(String nama, String pin, int saldo) { | |
| this.nama = nama; | |
| this.pin = pin; | |
| this.saldo = saldo; | |
| } | |
| } | |
| List<User> listUser = new List(); | |
| bool ketemu =false; | |
| int uid; | |
| void main(List<String> args) { | |
| listUser.add(new User("Fulan", "2345", 14500)); | |
| listUser.add(new User("Doe", "5678", 90000)); | |
| print("Selamat datang di Bank Dart.\n"); | |
| welcome(); | |
| } | |
| void welcome() { | |
| ketemu = false; | |
| stdout.write("Masukkan PIN: "); | |
| int i = 0; | |
| var pin = stdin.readLineSync(); | |
| for(User u in listUser) { | |
| i++; | |
| if(pin==u.pin) { | |
| ketemu = true; | |
| uid = i; | |
| print(""); | |
| print(""); | |
| home(u); | |
| } | |
| } | |
| if(!ketemu) welcome(); | |
| } | |
| void home(User log) { | |
| print("Selamat datang, "+log.nama+"."); | |
| print("Saldo Anda: Rp"+log.saldo.toString()); | |
| print(""); | |
| print("1. Setor tunai"); | |
| print("2. Tarik tunai"); | |
| print("3. Ganti akun"); | |
| print("4. Keluar"); | |
| print(""); | |
| stdout.write("Silakan pilih: "); | |
| var p = stdin.readLineSync(); | |
| switch (p) { | |
| case "1": | |
| setor(log); | |
| break; | |
| case "2": | |
| tarik(log); | |
| break; | |
| case "3": | |
| ganti_akun(log); | |
| break; | |
| default: | |
| } | |
| } | |
| void setor(User log) { | |
| stdout.write("Mau menyetor berapa? "); | |
| int uang; | |
| try { | |
| uang = int.parse(stdin.readLineSync()); | |
| } on Exception catch (_) { | |
| print('Mohon maaf, nominal penyetoran harus dalam bentuk angka.'); | |
| print(""); | |
| setor(log); | |
| } finally { | |
| print('Setoran Anda sebesar $uang berhasil.'); | |
| print(""); | |
| log.saldo += uang; | |
| home(log); | |
| } | |
| } | |
| void tarik(User log) { | |
| stdout.write("Mau menarik berapa? "); | |
| int uang; | |
| try { | |
| uang = int.parse(stdin.readLineSync()); | |
| } on Exception catch (_) { | |
| print('Mohon maaf, nominal penarikan harus dalam bentuk angka.'); | |
| print(""); | |
| setor(log); | |
| } finally { | |
| if(uang >= log.saldo) { | |
| print('Penarikan Anda sebesar $uang gagal karena saldo tidak mencukupi.'); | |
| print(""); | |
| } else { | |
| print('Penarikan Anda sebesar $uang berhasil.'); | |
| print(""); | |
| log.saldo -= uang; | |
| } | |
| home(log); | |
| } | |
| } | |
| void ganti_akun(User log) { | |
| listUser[uid-1].saldo = log.saldo; | |
| welcome(); | |
| } |
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