NewNumber-Main.java

import java.util.Scanner;

public class Main
{
    public static void main (String[] args)
    {
        Scanner scan = new Scanner (System.in);
        int opt=1, initTeller = 0, initCS = 0;

        while (opt != 0)
        {
            System.out.println ("Selamat datang!");
            System.out.println ("Silakan masukkan nomor antrian: \n");
            System.out.println ("1. Teller\n2. Customer Service\n");
            opt = scan.nextInt();

            Button output = new Button();
            Print paper = new Print();

            switch (opt)
            {
                case 1:
                initTeller++;
                paper.ticket (1);
                output.println (1, initTeller);
                output.println (2, initCS);
                break;

                case 2:
                initCS++;
                paper.ticket (2);
                output.println (1, initTeller);
                output.println (2, initCS);
                break;
            }
        }
    }
}