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Answers and rating deltas for
How can i process the ArrayList with count, and group by function
| Author | Votes | Δ |
|---|---|---|
| Fullstack Guy | 2 | +0.79 |
| azro | 1 | -0.15 |
| krishna kirti | 0 | -0.63 |
| Sakshi Vij | 0 | -0.69 |
| Clint Munden | -1 | -3.74 |
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