Sinan Gunes guness
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March 31, 2025 12:58
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 |
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| eXtreme Go Horse (XGH) Process | |
| Quelle: http://gohorseprocess.wordpress.com | |
| Übersetzung ursprünglich von https://gist.github.com/Neffez/f8d907ba8289f14e23f3855011fa4e2f | |
| 1. Ich denke, also ist es nicht XGH. | |
| In XGH wird nicht gedacht, es wird das erste gemacht, was in den Sinn kommt. Es gibt auch keine zweite Option, die erste ist schneller. | |
| 2. Es gibt 3 Wege ein Problem zu lösen: den richtigen Weg, den falschen Weg und den XGH Weg, welcher exakt wie der falsche ist, aber schneller. |