Code:
private ArrayList<player> getCombination(ArrayList<player> players, String combination) {
ArrayList<player> winList = new ArrayList<player>();
for(player player : players) {
String s = player.getDeck();
System.out.println(player.getDeck());
if(combination == s) {
System.out.println("Kombination passt");
winList.add(player);
}
}
System.out.println(winList.size());
return winList;
}