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Program Listing
/* atm.scala
Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
www.jakerpomperada.blogspot.com and www.jakerpomperada.com
jakerpomperada@gmail.com
January 8, 2022 7:58 PM Saturday
Bacolod City, Negros Occidental
*/
import java.util.Scanner;
object atm {
def main(args: Array[String]) : Unit = {
var scanner = new Scanner(System.in);
var bill1000=0; var bill500=0; var bill200=0; var bill100=0;
var total_balance=0; var withdraw=0; var money_left=0;
var receive1000=0; var receive500=0; var receive200=0; var receive100=0;
var withdraw_again='n';
do
{
print("\n");
print("\tAutomatic Teller Machine Simulation in Scala");
print("\n\n");
print("\tHow many P1000 bills: ");
bill1000 = scanner.nextInt();
print("\tHow many P500 bills: ");
bill500 = scanner.nextInt();
print("\tHow many PHP 200 bills: ");
bill200 = scanner.nextInt();
print("\tHow many PHP 100 bills: ");
bill100 = scanner.nextInt();
total_balance = (bill1000 * 1000)+(bill500 * 500) + (bill200 * 200) + (bill100 * 100) ;
print("\n\n");
print("\tTotal Balance: PHP " + total_balance);
print("\n\n");
print("\tEnter amount to withdraw: PHP ");
withdraw = scanner.nextInt();
money_left = withdraw ;
if (withdraw > total_balance)
{
print("\tWithdraw amount greater than total balance. ");
print("\n");
}
if (withdraw < total_balance)
{
if (money_left >= 1000 )
{
receive1000 = (money_left / 1000);
if (receive1000 > bill1000 ) receive1000 = bill1000;
money_left = money_left - (receive1000 * 1000);
bill1000 = bill1000 - receive1000;
}
if (money_left >= 500 )
{
receive500 = (money_left / 500);
if (receive500 > bill500 ) receive500 = bill500;
money_left = money_left - (receive500 * 500);
bill500 = bill500 - receive500;
}
if (money_left >= 200 )
{
receive200 = (money_left / 200);
if (receive200 > bill200 ) receive200 = bill200;
money_left = money_left - (receive200 * 200);
bill200 = bill200 - receive200;
}
if (money_left >= 100 )
{
receive100 =(money_left / 100);
if (receive100 > bill100 ) receive100 = bill100;
money_left = money_left - (receive100 * 100);
bill100 = bill100 - receive100;
}
print("\n\n");
print("\tYou will receive:");
print("\n\n");
print("\tPHP 1000 bill :=> " + receive1000);
print("\n");
print("\tPHP 500 bill :=> " + receive500);
print("\n");
print("\tPHP 200 bill :=> " + receive200);
print("\n");
print("\tPHP 100 bill :=> " + receive100);
print("\n\n");
total_balance = total_balance - withdraw;
print("\tYour current balance is: PHP " + total_balance);
print("\n\n");
print("\tYou only have balance of:");
print("\n\n");
print("\tPHP 1000 bill :=> " + bill1000);
print("\n");
print("\tPHP 500 bill :=> " + bill500);
print("\n");
print("\tPHP 200 bill :=> " + bill200);
print("\n");
print("\tPHP 100 bill :=> " + bill100)
print("\n\n");
printf("\tAnother Withdraw Again ? Y/N : ");
withdraw_again = scala.io.StdIn.readChar()
}
} while (withdraw_again.toUpper == 'Y');
print("\n");
print("\tEnd of Program");
print("\n\n");
}
}
