| Package | Description | 
|---|---|
| java.time | 
 The main API for dates, times, instants, and durations. | 
| java.time.chrono | 
 Generic API for calendar systems other than the default ISO. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | PeriodA date-based amount of time in the ISO-8601 calendar system,
 such as '2 years, 3 months and 4 days'. | 
| Modifier and Type | Method and Description | 
|---|---|
| static ChronoPeriod | ChronoPeriod. between(ChronoLocalDate startDateInclusive,
       ChronoLocalDate endDateExclusive)Obtains a  ChronoPeriodconsisting of amount of time between two dates. | 
| ChronoPeriod | ChronoPeriod. minus(TemporalAmount amountToSubtract)Returns a copy of this period with the specified period subtracted. | 
| ChronoPeriod | ChronoPeriod. multipliedBy(int scalar)Returns a new instance with each amount in this period in this period
 multiplied by the specified scalar. | 
| default ChronoPeriod | ChronoPeriod. negated()Returns a new instance with each amount in this period negated. | 
| ChronoPeriod | ChronoPeriod. normalized()Returns a copy of this period with the amounts of each unit normalized. | 
| default ChronoPeriod | Chronology. period(int years,
      int months,
      int days)Obtains a period for this chronology based on years, months and days. | 
| ChronoPeriod | ChronoPeriod. plus(TemporalAmount amountToAdd)Returns a copy of this period with the specified period added. | 
| ChronoPeriod | MinguoDate. until(ChronoLocalDate endDate) | 
| ChronoPeriod | ThaiBuddhistDate. until(ChronoLocalDate endDate) | 
| ChronoPeriod | HijrahDate. until(ChronoLocalDate endDate) | 
| ChronoPeriod | ChronoLocalDate. until(ChronoLocalDate endDateExclusive)Calculates the period between this date and another date as a  ChronoPeriod. | 
| ChronoPeriod | JapaneseDate. until(ChronoLocalDate endDate) | 
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