吃饭睡觉打豆豆 Eat-Sleep-HitBean
Eat-Sleep-HitBean
/ TimeComplexity.java
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January 18, 2022 12:00
— forked from psayre23/gist:c30a821239f4818b0709
Java集合类的时间复杂度
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| Below are the Big O performance of common functions of different Java Collections. | |
| List | Add | Remove | Get | Contains | Next | Data Structure | |
| ---------------------|------|--------|------|----------|------|--------------- | |
| ArrayList | O(1) | O(n) | O(1) | O(n) | O(1) | Array | |
| LinkedList | O(1) | O(1) | O(n) | O(n) | O(1) | Linked List | |
| CopyOnWriteArrayList | O(n) | O(n) | O(1) | O(n) | O(1) | Array | |