| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 4,864 of 7,027 | 30% | 646 of 805 | 19% | 528 | 666 | 1,148 | 1,636 | 182 | 260 | 9 | 20 |
| JsonStringEncoder.java | | 1% | | 0% | 72 | 75 | 231 | 236 | 12 | 15 | 0 | 1 |
| NumberInput.java | | 0% | | 0% | 125 | 125 | 206 | 206 | 32 | 32 | 1 | 1 |
| NumberOutput.java | | 52% | | 50% | 41 | 76 | 125 | 258 | 18 | 31 | 0 | 1 |
| ContentReference.java | | 16% | | 2% | 52 | 63 | 101 | 126 | 16 | 27 | 0 | 1 |
| UTF8Writer.java | | 49% | | 44% | 42 | 62 | 94 | 187 | 7 | 12 | 0 | 1 |
| SerializedString.java | | 4% | | 0% | 37 | 40 | 82 | 87 | 18 | 21 | 0 | 1 |
| IOContext.java | | 42% | | 36% | 36 | 56 | 62 | 117 | 23 | 41 | 1 | 2 |
| MergedStream.java | | 0% | | 0% | 28 | 28 | 58 | 58 | 11 | 11 | 1 | 1 |
| UTF32Reader.java | | 60% | | 41% | 29 | 44 | 48 | 108 | 4 | 10 | 0 | 1 |
| BigDecimalParser.java | | 0% | | 0% | 16 | 16 | 38 | 38 | 10 | 10 | 1 | 1 |
| CharTypes.java | | 64% | | 51% | 28 | 45 | 52 | 136 | 13 | 18 | 1 | 2 |
| BigIntegerParser.java | | 0% | | 0% | 6 | 6 | 19 | 19 | 3 | 3 | 1 | 1 |
| SegmentedStringWriter.java | | 48% | n/a | 6 | 13 | 13 | 27 | 6 | 13 | 0 | 1 | |
| DataOutputAsStream.java | | 0% | n/a | 4 | 4 | 9 | 9 | 4 | 4 | 1 | 1 | |
| GuardedOutputStream.java | | 55% | 50% | 3 | 8 | 7 | 18 | 2 | 7 | 0 | 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 |