Duration toNanosPart() method in Java with Examples

The toNanosPart() method of Duration Class in java.time package is used get the nanoseconds part within seconds of the duration.

Syntax:

public long toNanosPart()

Parameters: This method do not accepts any parameter.



Return Value: This method returns a long value which is the nanoseconds part within seconds of the duration.

Below examples illustrate the Duration.toNanosPart() method:

Example 1:

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// Java code to illustrate toNanosPart() 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 nano-seconds
        // using toNanosPart() method
        System.out.println(duration.toNanosPart());
    }
}

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Output:

Duration: PT51H4M
0

Example 2:

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// Java code to illustrate toNanosPart() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration using ofNanos() method
        Duration duration = Duration.ofNanos(10);
  
        System.out.println("Duration: "
                           + duration);
  
        // Get the number of nano-seconds
        // using toNanosPart() method
        System.out.println(duration.toNanosPart());
    }
}

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Output:

Duration: PT0.00000001S
10

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#toNanosPart–



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