Method addToTail

java/Linked Lists/LRUCache.java:62–68

(DoublyLinkedListNode node)

    }

    private void addToTail(DoublyLinkedListNode node) {
        DoublyLinkedListNode prevNode = tail.prev;
        node.prev = prevNode;
        node.next = tail;
        prevNode.next = node;
        tail.prev = node;
    }

    private void remove(DoublyLinkedListNode node) {
        node.prev.next = node.next;