| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 820 of 1,100 | 25% | 59 of 82 | 28% | 120 | 143 | 218 | 290 | 84 | 102 | 6 | 10 |
| AbstractByteArrayOutputStream | | 37% | | 37% | 19 | 29 | 58 | 99 | 8 | 13 | 0 | 1 |
| ByteArrayOutputStream | | 0% | | 0% | 19 | 19 | 31 | 31 | 12 | 12 | 1 | 1 |
| AppendableWriter | | 0% | | 0% | 13 | 13 | 23 | 23 | 10 | 10 | 1 | 1 |
| UnsynchronizedByteArrayOutputStream | | 30% | | 50% | 18 | 22 | 23 | 33 | 11 | 15 | 0 | 1 |
| ThresholdingOutputStream | | 44% | | 40% | 15 | 22 | 23 | 42 | 10 | 17 | 0 | 1 |
| StringBuilderWriter | | 0% | | 0% | 15 | 15 | 25 | 25 | 12 | 12 | 1 | 1 |
| QueueOutputStream | | 0% | n/a | 4 | 4 | 14 | 14 | 4 | 4 | 1 | 1 | |
| NullWriter | | 0% | n/a | 12 | 12 | 14 | 14 | 12 | 12 | 1 | 1 | |
| NullOutputStream | | 0% | n/a | 5 | 5 | 7 | 7 | 5 | 5 | 1 | 1 | |
| UnsynchronizedByteArrayOutputStream.Builder | | 100% | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |