priorityqueue

Because LinkedList isn 't new , let 's look at the new PriorityQueue class .

因为LinkedList不是新事物，所以我们来看一下新的PriorityQueue类。

The PriorityQueue class essentially maintains an ordered list .

PriorityQueue类实质上维护了一个有序列表。

In this article , I 'll look at three other changes : the updated Arrays and Collections classes and the new Queue interface , with its PriorityQueue implementation .

在本文中，我将研究其他三个变化：更新过的Arrays和Collections类、新的Queue接口以及它的PriorityQueue实现。

And , instead of creating your own subclasses , you can use one of the several built-in implementations , two of which aren 't blocking queues : PriorityQueue and ConcurrentLinkedQueue .

而且，不必创建自己的子类，可以使用几个内置的实现，其中两个是不阻塞队列：PriorityQueue和ConcurrentLinkedQueue。