turn arraylist into array java int code example
Example 1: convert array of int to arraylist java
int[] ints = {1, 2, 3};
List<Integer> intList = new ArrayList<Integer>(ints.length);
for (int i : ints)
{
intList.add(i);
}
Example 2: convert arraylist to array int
templist.stream().mapToInt(i->i).toArray();