Java Convert Nanoseconds to Duration

Tags: Java Duration Java 8

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

How to convert nanoseconds to Duration in Java

In Java, we can use the Duration.ofNanos(long nanos) static method to instantiate a Duration object from number of nanoseconds as the example Java code below.

ConvertNanosecondsToDurationExample1.java 

import java.time.Duration;

public class ConvertNanosecondsToDurationExample1 {
    public static void main(String... args) {
        long numberOfNanoseconds = 999888777;

        // Convert number of nanoseconds to Duration
        Duration duration = Duration.ofNanos(numberOfNanoseconds);

        System.out.println("Number of nanoseconds: " + numberOfNanoseconds);
        System.out.println("Duration: " + duration);
    }
}
The output as below. 
Number of nanoseconds: 999888777
Duration: PT0.999888777S

Happy Coding 😊

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