Method put

Java/Leetcode/LeetcodeLruCache.java:24–33

(int key, int value)

    }
    
    public void put(int key, int value) {
        if(cache.containsKey(key)){
            remove(cache.get(key));
        }
        if(cache.size() == capacity){
            remove(tail.prev);
        }
        Node newNode = new Node(key,value);
        insert(newNode);
    }
    
    private void remove(Node node){
        cache.remove(node.key);