You are viewing a single comment's thread from:RE: Software Engineer Interview Tips - Using Hashtable to Reduce Runtime Complexity 软件工程师面试技巧之 使用哈希表降复杂度View the full contextView the direct parentjustyy (83)in #cn • 8 years ago 集合和哈希表还是有相近的地方，比如O(1）查找和添加。
集合还可以遍例。