Method reverse

lib/java/util/Collections.java:1787–1799

Modifies the specified List by reversing the order of the elements. @param list the list to reverse. @throws UnsupportedOperationException when replacing an element in the List is not supported.

(List<?> list)

     *             when replacing an element in the List is not supported.
     */
    @SuppressWarnings("unchecked")
    public static void reverse(List<?> list) {
        int size = list.size();
        ListIterator<Object> front = (ListIterator<Object>) list.listIterator();
        ListIterator<Object> back = (ListIterator<Object>) list
                .listIterator(size);
        for (int i = 0; i < size / 2; i++) {
            Object frontNext = front.next();
            Object backPrev = back.previous();
            front.set(backPrev);
            back.set(frontNext);
        }
    }

    /**
     * A comparator which reverses the natural order of the elements. The