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Answers and rating deltas for
Java - How to check if a 13 digit isbn number is valid
| Author | Votes | Δ |
|---|---|---|
| Frakcool | 4 | +0.47 |
| xxce10xx | 1 | -1.90 |
| Gamecrafter_2020 | 1 | -1.88 |
Last visited: Oct 18, 2020, 5:58:00 PM