addFirst
Inserts item at the head of this list, shifting all other elements one position towards the tail. Named after (and, on platforms with one, backed by) the "add first" operation of a proper deque.
Inserts all the elements of items, in iteration order, at the head of this list.
Inserts item at the head of this list, shifting all other elements one position towards the tail. Named after (and, on platforms with one, backed by) the "add first" operation of a proper deque.
Inserts all the elements of items, in iteration order, at the head of this list.