Duration ofDays(long) method in Java with Examples

The ofDays(long) method of Duration Class in java.time package is used to get a duration in a 24 hour format. In this method, the seconds are calculated as total seconds in 24 hour day format, i.e. 86400 seconds per day.

Syntax:

public static Duration ofDays(long days)

Parameters: This method accepts a parameter days which is the number of days. It can be positive or negative.

Return Value: This method returns a Duration representing the time in 24 hour format.

Exception: This method throws ArithmeticException if the input days exceeds the capacity of Duration.

Below examples illustrate the Duration.ofDays() method:

Example 1:

// Java code to illustrate ofDays() method

import java.time.Duration;

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

        // input number of Days
        long noOfDays = 5;

        // Duration using ofDays() method
        Duration duration = Duration.ofDays(noOfDays);

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

Output:

432000

Example 2:

// Java code to illustrate ofDays() method

import java.time.Duration;

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

        // input number of Days
        long noOfDays = -214545;

        // Duration using ofDays() method
        Duration duration = Duration.ofDays(noOfDays);

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

Output:

-18536688000

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