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:

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// Java code to illustrate ofHours() 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());
    }
}

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Output:

18000

Example 2:

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// Java code to illustrate ofHours() 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());
    }
}

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Output:

-772362000

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



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