Sorting list

Hello so I sorting list in the java in Collection.reverse(list);

I have this code

Code (Java):

        List<Integer> list = new ArrayList<Integer>();
        list.add(5);
        list.add(6);
        list.add(10);
        list.add(20);
       
        Collections.reverse(list);
       
        for(Integer i : list) {
            System.out.println(i);
        }

but its printing

Code (Java):

-20
20
10
6
5

 

yes I already did sorry for not including it on this post got fixed already in another thread sorry for double posting.