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Duration minusHours() method in Java
An immutable copy of a duration where some hours are removed from it can be obtained using the minusHours() method in the Duration class in Java. This method requires a single parameter i.e. the number of hours to be subtracted and it returns the duration with the subtracted hours.
A program that demonstrates this is given as follows −
Example
import java.time.Duration; public class Demo { public static void main(String[] args) { Duration d = Duration.ofHours(6); System.out.println("The duration is: " + d); System.out.println("A copy with 4 hours removed from the duration is: " + d.minusHours(4)); } }
Output
The duration is: PT6H A copy with 4 hours removed from the duration is: PT2H
Now let us understand the above program.
First the duration is displayed. Then an immutable copy of the duration where 4 hours are removed is obtained using the minusHours() method and this is displayed. A code snippet that demonstrates this is as follows −
Duration d = Duration.ofHours(6); System.out.println("The duration is: " + d); System.out.println("A copy with 4 hours removed from the duration is: " + d.minusHours(4));
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