| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 6,471 of 7,009 | 7% | 771 of 799 | 3% | 622 | 663 | 1,490 | 1,634 | 231 | 260 | 14 | 20 |
| NumberOutput.java | | 0% | | 0% | 76 | 76 | 258 | 258 | 31 | 31 | 1 | 1 |
| JsonStringEncoder.java | | 1% | | 0% | 72 | 75 | 231 | 236 | 12 | 15 | 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 |
| UTF32Reader.java | | 0% | | 0% | 43 | 43 | 106 | 106 | 10 | 10 | 1 | 1 |
| ContentReference.java | | 9% | | 0% | 57 | 63 | 110 | 126 | 21 | 27 | 0 | 1 |
| IOContext.java | | 17% | | 13% | 48 | 56 | 92 | 117 | 34 | 41 | 1 | 2 |
| SerializedString.java | | 4% | | 0% | 37 | 40 | 82 | 87 | 18 | 21 | 0 | 1 |
| MergedStream.java | | 0% | | 0% | 28 | 28 | 58 | 58 | 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 | |
| GuardedOutputStream.java | | 0% | | 0% | 8 | 8 | 18 | 18 | 7 | 7 | 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 |