Period between() method in Java with Examples
The between() method of Period class in Java is used to obtain a period consisting of the number of years, months, and days between two given dates (including start date and excluding end date).
This period is obtained as follows:
- Remove complete months.
- Now, calculate the remaining number of days.
- Then, adjust to ensure that both have the same sign.
- Now, split the number of months into years and months based on a 12 month year.
- Consider a month, if the end day-of-month is greater than or equal to the start day-of-month (Eg.: from 2017-05-12 to 2018-07-18 is one year, two months and six days).
Note: Period obtained from above formula can be a negative, if the end is before the start. The negative sign will be the same in each of year, month and day.
Syntax:
public static Period between(LocalDate startDateInclusive,
LocalDate endDateExclusive)
Parameters:
- startDateInclusive – The start date is inclusive and must not be null.
- endDateExclusive – The end date is exclusive and must not be null.
Return Value: The between() function of period returns the period between the given start and end date.
Below is the implementation of above function:
import java.time.LocalDate;
import java.time.Period;
public class PeriodClass {
static void calculatePeriod(LocalDate startDate,
LocalDate endDate)
{
Period period = Period.between(startDate, endDate);
System.out.println( "Period between start and end "
+ "date is : " + period);
}
public static void main(String[] args)
{
LocalDate startDate = LocalDate.parse( "2017-02-13" );
LocalDate endDate = LocalDate.parse( "2018-08-20" );
calculatePeriod(startDate, endDate);
}
}
|
Output:
Period between start and end date is : P1Y6M7D
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/Period.html#between-java.time.LocalDate-java.time.LocalDate-
Last Updated :
27 Nov, 2018
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