Maybe you don't know (2): Unknown list

I

LinkedListRandomAccess interface, the random access efficiency through the index is high, while the random list

 

 

 

Shortlist

Is

 

Take a look

 

 

First, call both methods.

 

Don't worry. Let's take a look.

 

 

It can be clearly seen that when NoSuchElementException () is called, it indicates that this node element does not exist at all.

 

So

 

There are two points in my understanding.

 

 

In fact, I think

From the beginning

 

 

Two Deque <E>

 

As mentioned above,

 

LinkedListQueue interface. For Queue

 

Interestingly, there is a small detail: List <String> link = new consumer List <String> (); it is found that the methods mentioned above cannot be called, you must use consumer list <String> link = new consumer list <String>.

 

First-in-first-out: