The Java Vending Machine: ORIGINAL

import java.util.Scanner;

/**
 * Created with IntelliJ IDEA.
 * User: Marcello Missiroli prof.missiroli@gmail.com
 * Date: 24/11/13
 * Time: 14.35
 * THE BAD VENDING MACHINE
 */
public class Main {

    public static void main(String[] args)
    {
        int LION = 55;
        int COCA = 65;
        int NOCCIOLINE = 50;
        int PATATINE = 45;
        int amount=0,credit=0;
        int choice = 0;
        int coin = 0;
        Scanner scan=new Scanner(System.in);
        while (true) {
            credit=0;
            System.out.println("**********************************");
            System.out.println("* Minibar *");
            System.out.println("* Lion - 55 Premi 1 *");
            System.out.println("* Coca - 65 Premi 2 *");
            System.out.println("* Noccioline - 50 Premi 3 *");
            System.out.println("* Patatine - 45 Premi 4 *");
            System.out.println("**********************************");

            System.out.println("Inserisci la tua scelta.");
            choice = scan.nextInt();
            switch(choice)

            {
                case 1:
                    System.out.println("Hai scelto: Lion (0.55€)");
                    amount=LION;
                    while (credit<LION)  {
                        System.out.println("Inserisci il valore della moneta, in centesimi");
                        coin = scan.nextInt();
                        credit+=coin;
                    }
                    break;
                case 2:
                    System.out.println("Hai scelto: Coca (0.65€)");
                    amount=COCA;
                    while (credit<COCA)  {
                        System.out.println("Inserisci il valore della moneta, in centesimi");
                        coin = scan.nextInt();
                        credit+=coin;
                    }
                    break;
                case 3:
                    System.out.println("Hai scelto: Noccioline (0.50€)");
                    amount=COCA;
                    while (credit<NOCCIOLINE)  {
                        System.out.println("Inserisci il valore della moneta, in centesimi");
                        coin = scan.nextInt();
                        credit+=coin;
                    }
                    break;
                case 4:
                    System.out.println("Hai scelto: Patatine (0.45€)");
                    amount=PATATINE;
                    while (credit<PATATINE)  {
                        System.out.println("Inserisci il valore della moneta, in centesimi");
                        coin = scan.nextInt();
                        credit+=coin;
                    }
                    break;
                default:
                    System.out.println("Devi scegliere un valore tra 1 e 4. Grazie!");
            }


            System.out.print("\007");
            System.out.println("Ecco la bibita");
            System.out.println("Il tuo resto è: "+(credit-amount));

        }

    }


}