| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 5,122 of 6,949 | 26% | 638 of 793 | 19% | 523 | 653 | 1,155 | 1,612 | 185 | 253 | 11 | 19 |
| NumberOutput.java | | 29% | | 32% | 53 | 76 | 177 | 258 | 22 | 31 | 0 | 1 |
| NumberInput.java | | 0% | | 0% | 125 | 125 | 206 | 206 | 32 | 32 | 1 | 1 |
| UTF8Writer.java | | 0% | | 0% | 62 | 62 | 187 | 187 | 12 | 12 | 1 | 1 |
| ContentReference.java | | 11% | | 0% | 56 | 63 | 109 | 126 | 20 | 27 | 0 | 1 |
| UTF32Reader.java | | 6% | | 1% | 42 | 43 | 95 | 106 | 9 | 10 | 0 | 1 |
| JsonStringEncoder.java | | 66% | | 59% | 32 | 75 | 79 | 236 | 2 | 15 | 0 | 1 |
| SerializedString.java | | 32% | | 26% | 29 | 40 | 56 | 87 | 13 | 21 | 0 | 1 |
| MergedStream.java | | 0% | | 0% | 26 | 26 | 54 | 54 | 11 | 11 | 1 | 1 |
| IOContext.java | | 49% | | 30% | 36 | 56 | 58 | 117 | 21 | 41 | 1 | 2 |
| BigDecimalParser.java | | 0% | | 0% | 16 | 16 | 38 | 38 | 10 | 10 | 1 | 1 |
| CharTypes.java | | 76% | | 70% | 18 | 43 | 35 | 136 | 8 | 18 | 0 | 2 |
| SegmentedStringWriter.java | | 0% | n/a | 13 | 13 | 27 | 27 | 13 | 13 | 1 | 1 | |
| BigIntegerParser.java | | 0% | | 0% | 6 | 6 | 19 | 19 | 3 | 3 | 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 |