| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 6,211 of 6,744 | 7% | 726 of 753 | 3% | 580 | 621 | 1,401 | 1,543 | 212 | 241 | 12 | 18 |
| NumberOutput.java | | 0% | | 0% | 72 | 72 | 254 | 254 | 27 | 27 | 1 | 1 |
| JsonStringEncoder.java | | 1% | | 0% | 72 | 75 | 231 | 236 | 12 | 15 | 0 | 1 |
| UTF8Writer.java | | 0% | | 0% | 62 | 62 | 187 | 187 | 12 | 12 | 1 | 1 |
| NumberInput.java | | 0% | | 0% | 107 | 107 | 171 | 171 | 32 | 32 | 1 | 1 |
| UTF32Reader.java | | 0% | | 0% | 43 | 43 | 106 | 106 | 10 | 10 | 1 | 1 |
| ContentReference.java | | 9% | | 0% | 57 | 63 | 110 | 126 | 21 | 27 | 0 | 1 |
| SerializedString.java | | 4% | | 0% | 37 | 40 | 82 | 87 | 18 | 21 | 0 | 1 |
| IOContext.java | | 19% | | 11% | 38 | 46 | 64 | 87 | 26 | 33 | 0 | 1 |
| MergedStream.java | | 0% | | 0% | 26 | 26 | 54 | 54 | 11 | 11 | 1 | 1 |
| CharTypes.java | | 63% | | 48% | 29 | 43 | 56 | 136 | 15 | 18 | 1 | 2 |
| BigDecimalParser.java | | 0% | | 0% | 16 | 16 | 38 | 38 | 10 | 10 | 1 | 1 |
| BigIntegerParser.java | | 0% | | 0% | 6 | 6 | 19 | 19 | 3 | 3 | 1 | 1 |
| SegmentedStringWriter.java | | 41% | n/a | 6 | 13 | 14 | 27 | 6 | 13 | 0 | 1 | |
| DataOutputAsStream.java | | 0% | n/a | 4 | 4 | 9 | 9 | 4 | 4 | 1 | 1 | |
| CharacterEscapes.java | 0% | n/a | 2 | 2 | 3 | 3 | 2 | 2 | 1 | 1 | ||
| InputDecorator.java | 0% | n/a | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | ||
| OutputDecorator.java | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |