Java Convert Duration to Seconds

Tags: Java Duration Java 8

In this Java core tutorial we learn how to convert a java.time.Duration object to number of seconds in Java programming language.

How to convert Duration to Seconds in Java

In Java, with a given Duration object we can use the Duration.getSeconds() method to get number of seconds as the example Java code below.

ConvertDurationToSecondsExample1.java 

import java.time.Duration;

public class ConvertDurationToSecondsExample1 {
    public static void main(String... args) {
        // PT5M equals 5 minutes
        Duration duration = Duration.parse("PT5M");

        // Convert Duration to number of seconds
        long numberOfSeconds = duration.getSeconds();

        System.out.println("Duration: " + duration);
        System.out.println("Number of seconds: " + numberOfSeconds);
    }
}
The output as below. 
Duration: PT5M
Number of seconds: 300

Happy Coding 😊

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