Duration ofHours(long) method in Java with Examples

The ofHours(long) method of Duration Class in java.time package is used to get a duration in a 1 hour format. In this method, the seconds are calculated as total seconds in 1 hour format, i.e. 3600 seconds per hour. Syntax:

public static Duration ofHours(long hours)

Parameters: This method accepts a parameter hours which is the number of hours. It can be positive or negative. Return Value: This method returns a Duration representing the time in 1 hour format. Exception: This method throws ArithmeticException if the input hours exceeds the capacity of Duration. Below examples illustrate the Duration.ofHours() method: Example 1:

Java

// Java code to illustrate ofHours(long) method

import java.time.Duration;

public class GFG {
    public static void main(String[] args)
    {

        // input number of Hours
        long noOfHours = 5;

        // Duration using ofHours() method
        Duration duration
            = Duration.ofHours(noOfHours);

        System.out.println(duration.getSeconds());
    }
}

Output:

18000

Example 2:

Java

// Java code to illustrate ofHours(long) method

import java.time.Duration;

public class GFG {
    public static void main(String[] args)
    {

        // input number of Hours
        long noOfHours = -214545;

        // Duration using ofHours() method
        Duration duration
            = Duration.ofHours(noOfHours);

        System.out.println(duration.getSeconds());
    }
}

Output:

-772362000

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#ofHours-long-