Amgad Mansour AmgadMansour
AmgadMansour
/ gist:4169ce4617e698ab656cb869d43b719e
Created
April 28, 2018 14:54
— forked from psayre23/gist:c30a821239f4818b0709
Runtime Complexity of Java Collections
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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 |