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java.time.LocalDateTime.until() Method Example
Description
The java.time.LocalDateTime.until(Temporal endExclusive, TemporalUnit unit) method calculates the amount of time until another date-time in terms of the specified unit.
Declaration
Following is the declaration for java.time.LocalDateTime.until(Temporal endExclusive, TemporalUnit unit) method.
public long until(Temporal endExclusive, TemporalUnit unit)
Parameters
endDateExclusive − the end date, exclusive, which is converted to a LocalDateTime, not null.
unit − the unit to measure the amount in, not null.
Return Value
the amount of time between this date-time and the end date-time.
Exceptions
DateTimeException − if the amount cannot be calculated, or the end temporal cannot be converted to a LocalDateTime.
UnsupportedTemporalTypeException − if the unit is not supported.
ArithmeticException − if numeric overflow occurs.
Example
The following example shows the usage of java.time.LocalDateTime.until(Temporal endExclusive, TemporalUnit unit) method.
package com.tutorialspoint; import java.time.LocalDateTime; import java.time.temporal.ChronoUnit; public class LocalDateTimeDemo { public static void main(String[] args) { LocalDateTime date = LocalDateTime.parse("2017-01-03T10:15:30"); LocalDateTime date1 = LocalDateTime.now(); System.out.println(date.until(date1, ChronoUnit.HOURS)); } }
Let us compile and run the above program, this will produce the following result −
1758