Copying the first half of an ArrayList

Question

There is an ArrayList al, and I want to copy the first half of its elements into another ArrayList firstHalf. (If al

Answer 1

List firstHalf = al.subList(0, (int) al.size() / 2 + 1);

Is easier convert the al.size() / 2 to integer than doing "%2".

You add 1 to firstHalf to be bigger than the second half.