Duration from(TemporalUnit) method in Java with Examples

The from(TemporalUnit) method of Duration Class in java.time package is used to get a duration from the amount passed as the first parameter in the TemporalUnit. The TemporalUnit can be DAYS, HOURS, etc.

Syntax:

public static Duration from(TemporalUnit amount)

Parameters: This method accepts a parameter amount which is amount from which the Duration is to be found, passed as the TemporalUnit.

Return Value: This method returns a Duration representing the time of specified amount.

Exception: This method throws following unit:

• ArithmeticException: if numeric overflow occurs.
• DateTimeException: if unable to convert to a Duration

Below examples illustrate the Duration.from() method:

Example 1:

// Java code to illustrate from() method

import java.time.Duration;

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

        // Get the amount
        Duration duration = Duration.ofDays(5);

        // Duration using from() method
        Duration duration1 = Duration.from(duration);

        System.out.println(duration1.getSeconds());
    }
}

Output:

432000

Example 2:

// Java code to illustrate from() method

import java.time.Duration;

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

        // Get the amount
        Duration duration = Duration.ofHours(5);

        // Duration using from() method
        Duration duration1 = Duration.from(duration);

        System.out.println(duration1.getSeconds());
    }
}

Output:

18000

Reference: Oracle Doc