Method reverse

12_LinkedList.java/DoubleLL.java:61–75

()

    }

    public void reverse() {
        Node curr = head;
        Node prev = null;
        Node next;

        while(curr != null) {
            next = curr.next;
            curr.next = prev;
            curr.prev = next;

            prev = curr;
            curr = next;
        }
        head = prev;
    }

    public static void main(String args[]) {
        DoubleLL dll = new DoubleLL();