| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 4,590 of 6,665 | 31% | 603 of 749 | 19% | 494 | 617 | 1,067 | 1,530 | 170 | 239 | 8 | 18 |
| JsonStringEncoder.java | | 1% | | 0% | 72 | 75 | 231 | 236 | 12 | 15 | 0 | 1 |
| NumberInput.java | | 0% | | 0% | 105 | 105 | 168 | 168 | 31 | 31 | 1 | 1 |
| NumberOutput.java | | 51% | | 45% | 41 | 72 | 124 | 254 | 15 | 27 | 0 | 1 |
| ContentReference.java | | 11% | | 0% | 56 | 63 | 109 | 126 | 20 | 27 | 0 | 1 |
| UTF8Writer.java | | 49% | | 43% | 43 | 62 | 94 | 187 | 7 | 12 | 0 | 1 |
| SerializedString.java | | 4% | | 0% | 37 | 40 | 82 | 87 | 18 | 21 | 0 | 1 |
| MergedStream.java | | 0% | | 0% | 26 | 26 | 52 | 52 | 11 | 11 | 1 | 1 |
| UTF32Reader.java | | 60% | | 39% | 29 | 43 | 47 | 105 | 4 | 10 | 0 | 1 |
| BigDecimalParser.java | | 0% | | 0% | 16 | 16 | 38 | 38 | 10 | 10 | 1 | 1 |
| CharTypes.java | | 65% | | 52% | 27 | 43 | 52 | 136 | 13 | 18 | 1 | 2 |
| IOContext.java | | 49% | | 38% | 26 | 46 | 34 | 87 | 15 | 33 | 0 | 1 |
| BigIntegerParser.java | | 0% | | 0% | 4 | 4 | 12 | 12 | 2 | 2 | 1 | 1 |
| SegmentedStringWriter.java | | 50% | n/a | 5 | 13 | 12 | 27 | 5 | 13 | 0 | 1 | |
| DataOutputAsStream.java | | 0% | n/a | 4 | 4 | 9 | 9 | 4 | 4 | 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 | ||
| CharacterEscapes.java | 100% | n/a | 0 | 2 | 0 | 3 | 0 | 2 | 0 | 1 |