June 2018
Intermediate to advanced
316 pages
6h 34m
English
Content preview from Mastering High Performance with Kotlin
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Time complexity of sets
The following table shows the time complexity of the most common set operations:
| Add | Contains | Next | Data structure | |
| HashSet | O(1) | O(1) | O(h/n) | Hash table |
| LinkedHashSet | O(1) | O(1) | O(1) | Hash table + linked list |
| EnumSet | O(1) | O(1) | O(1) | Bit vector |
| TreeSet | O(log n) | O(log n) | O(log n) | Red-black tree |
| CopyOnWriteArraySet | O(n) | O(n) | O(1) | Array |
| ConcurrentSkipListSet | O(log n) | O(log n) | O(1) | Skip list |
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