| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 0 of 71 | 100% | 0 of 12 | 100% | 0 | 10 | 0 | 18 | 0 | 4 |
| calculate(String) | | 100% | | 100% | 0 | 4 | 0 | 7 | 0 | 1 |
| isValid(String) | | 100% | | 100% | 0 | 4 | 0 | 7 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 3 | 0 | 1 | |
| ISBNCheckDigit() | | 100% | n/a | 0 | 1 | 0 | 1 | 0 | 1 |