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Answers and rating deltas for
how do sum the list object values with null value in java?
| Author | Votes | Δ |
|---|---|---|
| Pham Trung | 2 | +3.62 |
| Bathsheba | 1 | +0.57 |
| Rafael Osipov | 0 | -0.72 |
| Sagar D | 0 | -2.47 |
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