Why does Arrays.asList() return its own ArrayList implementation

Question

I recently found out that there are actually 2 different ArrayList implementations in Java (better late than never I guess...).

So I was wondering why d

Answer 1

actually you are able to add elements to the ArrayList with add. method like this :

List l2= new ArrayList(Arrays.asList(array1));
l2.add("blueCheese");

In my opinion you use it to get the features of a List but applying them to an Array .