This change to the utility class is the first since the Collections Framework debuted in J2SE 1.2.
自从集合框架初次出现在J2SE 1.2 中以来，人们第一次对实用工具类进行了更改。
One of the bigger changes to the 5.0 Collections Framework is the addition of the new base interface Queue.
集合框架较大的一个改变就是添加了新的基接口Queue。
This way, container classes that do not build on the core collections framework can still take advantage of the new for-each loop.
这样，不是在核心集合框架上构建的容器类也能利用新的for - each循环。
The Collections framework introduced iterators for traversing a list or other collection, which optimizes the process of iterating through the elements in a collection.
集合框架引入了迭代器，用于遍历一个列表或者其他集合，从而优化了对一个集合中的元素进行迭代的过程。
Inner classes were available at the time the Collections framework was developed, but the syntactic overhead of inner classes made creating Collections APIs that encouraged using them less desirable.
内部类在开发出集合框架时就已诞生，但内部类的句法开销使支持使用它们的CollectionsAPI的创建令人不太满意。
Resource Description Framework (RDF) is a model for describing collections of formalized statements about a Web resource.
资源描述框架(Resource Description Framework,RDF)是一种描述有关Web资源的格式化语句集合的模型。
Resource Description Framework (RDF) is a model for describing collections of formalized statements about a Web resource.
资源描述框架(Resource Description Framework,RDF)是一种描述有关Web资源的格式化语句集合的模型。
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