| enableTentativeEra() |   | 76% | | 50% | 3 | 4 | 1 | 10 | 0 | 1 |
| getActualMaximum(int) | | 89% | | 75% | 2 | 5 | 2 | 13 | 0 | 1 |
| isEra0CountingBackward() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| handleGetExtendedYear() | | 100% | | 100% | 0 | 3 | 0 | 8 | 0 | 1 |
| handleComputeFields(int) | | 100% | | n/a | 0 | 1 | 0 | 8 | 0 | 1 |
| handleGetLimit(int, int) | | 100% | | 90% | 1 | 8 | 0 | 10 | 0 | 1 |
| getDefaultDayInMonth(int, int) | | 100% | | 100% | 0 | 3 | 0 | 6 | 0 | 1 |
| getDefaultMonthInYear(int) | | 100% | | 100% | 0 | 2 | 0 | 5 | 0 | 1 |
| static {...} | | 100% | | n/a | 0 | 1 | 0 | 8 | 0 | 1 |
| JapaneseCalendar(int, int, int, int, int, int) | | 100% | | n/a | 0 | 1 | 0 | 3 | 0 | 1 |
| JapaneseCalendar(int, int, int, int) | | 100% | | n/a | 0 | 1 | 0 | 3 | 0 | 1 |
| JapaneseCalendar(int, int, int) | | 100% | | n/a | 0 | 1 | 0 | 3 | 0 | 1 |
| JapaneseCalendar(Date) | | 100% | | n/a | 0 | 1 | 0 | 3 | 0 | 1 |
| JapaneseCalendar(TimeZone, Locale) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| JapaneseCalendar(TimeZone, ULocale) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| JapaneseCalendar(TimeZone) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| JapaneseCalendar(Locale) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| JapaneseCalendar(ULocale) | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| JapaneseCalendar() | | 100% | | n/a | 0 | 1 | 0 | 2 | 0 | 1 |
| getType() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| haveDefaultCentury() | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |