reddit.com/r/dailyprogrammer challenge #96 easy

public class ControllerChains {
    private int dollars;

    public ControllerChains(int dollars) { this.dollars = dollars; }

    public int getDollars() { return this.dollars; }

    public void setDollars(int dollars) { this.dollars = dollars; }

    public int getMaxPlayers() {
        int dollarsCopy = dollars;
        int availablePorts = 1;
        int controllers = 1;

        while (dollarsCopy >= 20) {
            if (availablePorts >= 1) {
                dollarsCopy -= 20;
                controllers++;
        availablePorts--;
            } else {
                dollarsCopy -= 12;
                availablePorts += 4;
            }
        }

        return controllers;
    }

    // Requires exactly one arg (int dollars) -- no error checking
    public static void main(String[] args) {
        ControllerChains controllerChains =
            new ControllerChains(Integer.parseInt(args[0]));
        System.out.println(controllerChains.getMaxPlayers());
    }
}