| LockableFileWriter |   | 53% | | 64% | 17 | 28 | 33 | 65 | 13 | 21 | 0 | 1 |
| XmlStreamWriter | | 74% | | 63% | 11 | 23 | 12 | 55 | 4 | 12 | 0 | 1 |
| ProxyCollectionWriter | | 72% | | n/a | 0 | 15 | 18 | 76 | 0 | 15 | 0 | 1 |
| FileWriterWithEncoding | | 80% | | 100% | 3 | 19 | 8 | 44 | 3 | 15 | 0 | 1 |
| DeferredFileOutputStream | | 89% | | 92% | 3 | 32 | 7 | 61 | 1 | 19 | 0 | 1 |
| ProxyWriter | | 84% | | n/a | 0 | 14 | 9 | 71 | 0 | 14 | 0 | 1 |
| WriterOutputStream | | 90% | | 83% | 4 | 25 | 7 | 79 | 1 | 16 | 0 | 1 |
| UncheckedFilterOutputStream | | 56% | | n/a | 4 | 12 | 4 | 13 | 4 | 12 | 0 | 1 |
| AppendableWriter | | 79% | | 66% | 3 | 13 | 2 | 23 | 1 | 10 | 0 | 1 |
| FileWriterWithEncoding.Builder | | 73% | | 75% | 2 | 8 | 1 | 10 | 0 | 4 | 0 | 1 |
| BrokenOutputStream | | 69% | | n/a | 4 | 12 | 4 | 14 | 4 | 12 | 0 | 1 |
| BrokenWriter | | 69% | | n/a | 4 | 12 | 4 | 14 | 4 | 12 | 0 | 1 |
| FilterCollectionWriter | | 90% | | 100% | 2 | 24 | 2 | 27 | 2 | 22 | 0 | 1 |
| ProxyOutputStream | | 81% | | n/a | 0 | 9 | 6 | 34 | 0 | 9 | 0 | 1 |
| ThresholdingOutputStream | | 92% | | 100% | 2 | 24 | 5 | 43 | 2 | 18 | 0 | 1 |
| LockableFileWriter.Builder | | 80% | | 25% | 3 | 7 | 2 | 12 | 1 | 5 | 0 | 1 |
| DemuxOutputStream | | 77% | | 25% | 3 | 7 | 4 | 15 | 1 | 5 | 0 | 1 |
| DeferredFileOutputStream.Builder | | 90% | | n/a | 1 | 9 | 2 | 19 | 1 | 9 | 0 | 1 |
| WriterOutputStream.Builder | | 96% | | 50% | 1 | 7 | 0 | 15 | 0 | 6 | 0 | 1 |
| NullWriter | | 91% | | n/a | 1 | 12 | 1 | 14 | 1 | 12 | 0 | 1 |
| AbstractByteArrayOutputStream | | 100% | | 90% | 3 | 29 | 0 | 99 | 0 | 13 | 0 | 1 |
| UnsynchronizedByteArrayOutputStream | | 100% | | 92% | 1 | 22 | 0 | 33 | 0 | 15 | 0 | 1 |
| UncheckedFilterWriter | | 100% | | n/a | 0 | 22 | 0 | 20 | 0 | 22 | 0 | 1 |
| ByteArrayOutputStream | | 100% | | 92% | 1 | 19 | 0 | 31 | 0 | 12 | 0 | 1 |
| StringBuilderWriter | | 100% | | 66% | 2 | 15 | 0 | 25 | 0 | 12 | 0 | 1 |
| CountingOutputStream | | 100% | | 100% | 0 | 8 | 0 | 16 | 0 | 6 | 0 | 1 |
| ChunkedOutputStream | | 100% | | 100% | 0 | 7 | 0 | 18 | 0 | 5 | 0 | 1 |
| UncheckedAppendableImpl | | 100% | | n/a | 0 | 5 | 0 | 10 | 0 | 5 | 0 | 1 |
| TeeOutputStream | | 100% | | n/a | 0 | 6 | 0 | 18 | 0 | 6 | 0 | 1 |
| ChunkedWriter | | 100% | | 100% | 0 | 5 | 0 | 16 | 0 | 3 | 0 | 1 |
| QueueOutputStream | | 100% | | n/a | 0 | 4 | 0 | 14 | 0 | 4 | 0 | 1 |
| ClosedWriter | | 100% | | n/a | 0 | 5 | 0 | 6 | 0 | 5 | 0 | 1 |
| RandomAccessFileOutputStream | | 100% | | n/a | 0 | 5 | 0 | 12 | 0 | 5 | 0 | 1 |
| ClosedOutputStream | | 100% | | n/a | 0 | 5 | 0 | 6 | 0 | 5 | 0 | 1 |
| TaggedOutputStream | | 100% | | n/a | 0 | 4 | 0 | 7 | 0 | 4 | 0 | 1 |
| TaggedWriter | | 100% | | n/a | 0 | 4 | 0 | 7 | 0 | 4 | 0 | 1 |
| XmlStreamWriter.Builder | | 100% | | n/a | 0 | 2 | 0 | 5 | 0 | 2 | 0 | 1 |
| RandomAccessFileOutputStream.Builder | | 100% | | n/a | 0 | 2 | 0 | 4 | 0 | 2 | 0 | 1 |
| AppendableOutputStream | | 100% | | n/a | 0 | 3 | 0 | 6 | 0 | 3 | 0 | 1 |
| NullOutputStream | | 100% | | n/a | 0 | 5 | 0 | 7 | 0 | 5 | 0 | 1 |
| CloseShieldOutputStream | | 100% | | n/a | 0 | 3 | 0 | 5 | 0 | 3 | 0 | 1 |
| CloseShieldWriter | | 100% | | n/a | 0 | 3 | 0 | 5 | 0 | 3 | 0 | 1 |
| NullPrintStream | | 100% | | n/a | 0 | 2 | 0 | 4 | 0 | 2 | 0 | 1 |
| NullAppendable | | 100% | | n/a | 0 | 4 | 0 | 4 | 0 | 4 | 0 | 1 |
| ChunkedOutputStream.Builder | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| UncheckedFilterOutputStream.Builder | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| UncheckedFilterWriter.Builder | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| UnsynchronizedByteArrayOutputStream.Builder | | 100% | | n/a | 0 | 2 | 0 | 2 | 0 | 2 | 0 | 1 |
| TeeWriter | | 100% | | n/a | 0 | 2 | 0 | 4 | 0 | 2 | 0 | 1 |
| UncheckedAppendable | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 |