| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 4,633 of 6,679 | 30% | 613 of 749 | 18% | 490 | 617 | 1,066 | 1,533 | 156 | 239 | 9 | 18 |
| UTF8Writer.java | | 0% | | 0% | 62 | 62 | 187 | 187 | 12 | 12 | 1 | 1 |
| JsonStringEncoder.java | | 8% | | 5% | 69 | 75 | 213 | 236 | 10 | 15 | 0 | 1 |
| NumberInput.java | | 0% | | 0% | 105 | 105 | 168 | 168 | 31 | 31 | 1 | 1 |
| ContentReference.java | | 18% | | 4% | 50 | 63 | 98 | 126 | 14 | 27 | 0 | 1 |
| NumberOutput.java | | 73% | | 71% | 27 | 72 | 65 | 254 | 8 | 27 | 0 | 1 |
| UTF32Reader.java | | 38% | | 22% | 38 | 43 | 66 | 106 | 6 | 10 | 0 | 1 |
| SerializedString.java | | 13% | | 5% | 36 | 40 | 75 | 87 | 17 | 21 | 0 | 1 |
| MergedStream.java | | 0% | | 0% | 26 | 26 | 54 | 54 | 11 | 11 | 1 | 1 |
| BigDecimalParser.java | | 0% | | 0% | 16 | 16 | 38 | 38 | 10 | 10 | 1 | 1 |
| IOContext.java | | 62% | | 38% | 23 | 46 | 24 | 87 | 11 | 33 | 0 | 1 |
| CharTypes.java | | 77% | | 70% | 17 | 43 | 34 | 136 | 7 | 18 | 0 | 2 |
| SegmentedStringWriter.java | | 32% | n/a | 8 | 13 | 17 | 27 | 8 | 13 | 0 | 1 | |
| BigIntegerParser.java | | 0% | | 0% | 4 | 4 | 12 | 12 | 2 | 2 | 1 | 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 |