| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 1,562 of 1,678 | 6% | 46 of 48 | 4% | 274 | 295 | 330 | 370 | 250 | 271 | 27 | 35 |
| IOStream | | 8% | | 0% | 66 | 69 | 48 | 59 | 61 | 64 | 0 | 1 |
| Uncheck | | 13% | n/a | 16 | 21 | 60 | 71 | 16 | 21 | 0 | 1 | |
| IOFunction | | 0% | n/a | 19 | 19 | 18 | 18 | 19 | 19 | 1 | 1 | |
| IOPredicate | | 0% | | 0% | 18 | 18 | 9 | 9 | 12 | 12 | 1 | 1 |
| UncheckedIOSpliterator | | 0% | n/a | 9 | 9 | 12 | 12 | 9 | 9 | 1 | 1 | |
| Erase | | 2% | n/a | 8 | 9 | 30 | 31 | 8 | 9 | 0 | 1 | |
| IOBaseStream | | 0% | | 0% | 12 | 12 | 10 | 10 | 10 | 10 | 1 | 1 |
| UncheckedIOBaseStream | | 0% | n/a | 10 | 10 | 12 | 12 | 10 | 10 | 1 | 1 | |
| IOSpliterator | | 0% | | 0% | 11 | 11 | 11 | 11 | 10 | 10 | 1 | 1 |
| IOConsumer | | 19% | n/a | 9 | 13 | 16 | 21 | 9 | 13 | 0 | 1 | |
| IOStreams | | 27% | | 12% | 11 | 14 | 8 | 12 | 7 | 10 | 0 | 1 |
| IOStream.new Iterator() {...} | | 0% | | 0% | 4 | 4 | 8 | 8 | 3 | 3 | 1 | 1 |
| IOBinaryOperator | | 0% | | 0% | 8 | 8 | 5 | 5 | 6 | 6 | 1 | 1 |
| UncheckedIOIterator | | 0% | n/a | 4 | 4 | 7 | 7 | 4 | 4 | 1 | 1 | |
| IOIntConsumer | | 9% | n/a | 7 | 8 | 8 | 9 | 7 | 8 | 0 | 1 | |
| IOIterator | | 0% | | 0% | 6 | 6 | 9 | 9 | 5 | 5 | 1 | 1 |
| Constants | | 0% | n/a | 8 | 8 | 10 | 10 | 8 | 8 | 1 | 1 | |
| IOBiConsumer | | 0% | n/a | 5 | 5 | 7 | 7 | 5 | 5 | 1 | 1 | |
| IOIteratorAdapter | | 0% | n/a | 5 | 5 | 7 | 7 | 5 | 5 | 1 | 1 | |
| IOBiFunction | | 0% | n/a | 4 | 4 | 3 | 3 | 4 | 4 | 1 | 1 | |
| IOTriConsumer | | 0% | n/a | 3 | 3 | 6 | 6 | 3 | 3 | 1 | 1 | |
| IOSpliteratorAdapter | | 0% | n/a | 3 | 3 | 5 | 5 | 3 | 3 | 1 | 1 | |
| UncheckedIOIterable | | 0% | n/a | 2 | 2 | 4 | 4 | 2 | 2 | 1 | 1 | |
| IOQuadFunction | | 0% | n/a | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| IOTriFunction | | 0% | n/a | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| IOIterable | | 0% | n/a | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | |
| IOUnaryOperator | | 0% | n/a | 4 | 4 | 2 | 2 | 4 | 4 | 1 | 1 | |
| IOStreamAdapter | | 54% | | 25% | 3 | 5 | 1 | 4 | 1 | 3 | 0 | 1 |
| IORunnable | | 0% | n/a | 3 | 3 | 2 | 2 | 3 | 3 | 1 | 1 | |
| IOComparator | | 0% | n/a | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | |
| IOLongSupplier | | 0% | n/a | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | |
| IOSupplier | | 0% | n/a | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| IOIntSupplier | | 0% | n/a | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | |
| IOBooleanSupplier | | 0% | n/a | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | |
| IOBaseStreamAdapter | | 100% | n/a | 0 | 2 | 0 | 4 | 0 | 2 | 0 | 1 |