Casting between ArrayLists in Java

Question

Sorry, I thought this was an inheritance question: it was an ArrayList question all along!

Ok, my problem is more specific than I thought. So I have two families of

Answer 1

One way to do that is by casting to ArrayList first:

ArrayList cards = (ArrayList)(ArrayList) (pokerCardObjects);

Another alternatives without casting:

With streams:

ArrayList cards = pokerCardObjects.stream().collect(Collectors.toCollection(ArrayList::new);

Or creating a new ArrayList:

ArrayList cards = new ArrayList<>(pokerCardObjects);