【单选题】以下关于迭代器模式的叙述错误的是 ( ) 。
A.
迭代器模式提供一种方法来访问聚合对象,而无须暴露这个对象的内部表示
C.
迭代器模式定义了一个访问聚合元素的接口,并且可以跟踪当前遍历的元素,了解哪些元素已经遍历过而哪些没有
D.
在抽象聚合类中定义了访问和遍历元素的方法并在具体聚合类中实现这些方法
【简答题】A.does B.produces C.deals
【简答题】A.Good deals. B.Poor deals. C.One is good and the other is poor. D.Not mentioned in the conversation.
【单选题】中国营养学会 建议每人每日盐的摄入量控制在
【简答题】There’s no shortage of web sites offering deals-everything from daily deals to members-only private sales. But when it comes to real jaw-dropping deals, there’s one company that seems to have figured ...
【简答题】OSI deals with connecting
【单选题】Our company______hardware but not software.
【单选题】Ms Hawkins handles the company's accounts.
【简答题】为什么在一定范围内深而慢的呼吸比浅而快的呼吸效果好?
【简答题】为何在一定范围内深而慢的呼吸比浅而快的呼吸更有效?