Duration toSeconds() method in Java with Examples

Last Updated : 26 Nov, 2018
The toSeconds() method of Duration Class in java.time package is used get the value of this duration in number of seconds. Syntax: 
public long toSeconds()
Parameters: This method do not accepts any parameter. Return Value: This method returns a long value which is the number of seconds in this duration. Below examples illustrate the Duration.toSeconds() method: Example 1: Java 
// Java code to illustrate toSeconds() method

import java.time.Duration;

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

        // Duration using parse() method
        Duration duration
            = Duration.parse("P2DT3H4M");

        System.out.println("Duration: "
                           + duration);

        // Get the number of seconds
        // using toSeconds() method
        System.out.println(duration.toSeconds());
    }
}
Output: 
Duration: PT51H4M
183840
Example 2: Java 
// Java code to illustrate toSeconds() method

import java.time.Duration;

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

        // Duration using ofSeconds() method
        Duration duration
            = Duration.ofSeconds(10);

        System.out.println("Duration: "
                           + duration);

        // Get the number of seconds
        // using toSeconds() method
        System.out.println(duration.toSeconds());
    }
}
Output: 
Duration: PT10S
10
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#toSeconds--
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