Accessing subclass method from other class

Question

so I'm making a card game.

I have an arrayList of type player in my main, and I have filled it with a certain type of player (in this case, a good player - good player being a subclass of player with a couple of additional methods)

I may just be brain dead from looking at this for too long however heres my code.

I create 4 good players - again - goodPlayer extends player

ArrayList<Player> players = new ArrayList<>();
    for (int i = 0; i < 4; i++) 
    {
                    goodPlayer gp = new goodPlayer();
                    players.add(gp); 
     }

Then after a couple of methods are called I want to call a method from goodPlayer called count, on each of the goodPlayers in players arrayList

for (Player p : players)
{
            count(p.getHand());
 }

what am I doing wrong as what I currently have is incorrect, unless I make count static and call goodPlayer.count however I do not want the class to act in a static context. Thanks.

Answer 1

Why don't you use type casting? You don't need to make count method a static one to use it. If you are 100% sure that all players in that list will be from GoodPlayer class (by convention, class names start with a capital), then just cast it as

((GoodPlayer) player).count();

If you're not sure if all players will be from the class GoodPlayer, then add a test to avoid a runtime error:

if (player instanceof GoodPlayer) {
     ((GoodPlayer) player).count();
}