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面试的时候遇到过HashSet()吗?
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面试的时候遇到过HashSet()吗?
osc_64850781 发布于 昨天 15:25
之前面试的时候遇到了面试HashSet()的面试官,当时就懵掉了,HashSet()是什么?我只知道HashSet()这个类,但里面的内容完全不知道啊,面试的时候谈到了集合,可是,直接略过了List,Map,问起了HashSet(),请问各位大佬,HashSet()除了拒重无序还有什么隐藏的功能吗?这,学习的时候也没有学习过啊
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