public LRUCache(int capacity)
{
this.capacity = capacity;
this.count = 0;
map = new Dictionary <int, LRUNode>();
doubleLinkedList = new LRUDoubleLinkedList();
}
public LRUCache(int capacity)
{
this.capacity = capacity;
list = new LRUDoubleLinkedList();
map = new Dictionary <int, Node>();
}