In addition to collections and resources, the APP also defines workspaces and services that can be used to discover collections (however, this is beyond the scope of this article).
除了集合和资源之外，APP还定义了可用来发现集合的工作区和资源(但这超出了本文所讨论的范围)。
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。
Each of these collections of methods and practices materials is discussed in the next section of this article.
本文下一个部分将讨论这些方法和实践材料集合中的每一个。
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