Method removeFromLinkedList

java/Chapter 10/Question10_7/Cache.java:38–67

(Node node)

	}	
	
	public void removeFromLinkedList(Node node) {
		if (node == null) {
			return;
		}
		
		if (node.next != null || node.prev != null) {
			size--;
		}
		
		Node prev = node.prev;
		if (prev != null) {
			prev.next = node.next;
		} 
		
		Node next = node.next;
		if (next != null) {
			next.prev = prev;
		}
		
		if (node == head) {
			head = next;
		}
		
		if (node == tail) {
			tail = prev;
		}
		
		node.next = null;
		node.prev = null;
	}
	
	public String[] getResults(String query) {
		if (map.containsKey(query)) {