NewNumber-Button

public class Button
{
    Teller a = new Teller();
    CS b = new CS();
    int x;
    int saveTeller = 0, saveCS = 0;

    public void println (int x, int num)
    {
        if (x == 1)
        {
            System.out.println ("No. antrian Teller = " + a.tellerNumber(num));
        }
        else if (x == 2)
        {
            System.out.println ("No. antrian CS = " + b.csNumber(num));
            System.out.println ();
        }
        else
        {
            System.out.println ("Input salah");
        }
    }
}