Map：使用哈希表实现，查找、插入、删除操作的时间复杂度接近 O(1)。第一句话就戳中了重点。关键词：哈希表，O(1)
Jack Learns to Code
Jack Learns to Code
Not Micheal Learns to Rock
But Jack Learns to Code
Not Micheal Learns to Rock
But Jack Learns to Code
Not Micheal Learns to Rock
But Jack Learns to Code
Map：使用哈希表实现，查找、插入、删除操作的时间复杂度接近 O(1)。第一句话就戳中了重点。关键词：哈希表，O(1)