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Duration ofNanos(long) method in Java with Examples

  • Last Updated : 26 Nov, 2018

The ofNanos(long) method of Duration Class in java.time package is used to get a duration in a 1 nanoSecond format.

Syntax:

public static Duration ofNanos(long nanoSeconds)

Parameters: This method accepts a parameter nanoSeconds which is the number of nanoSeconds. It can be positive or negative.

Return Value: This method returns a Duration representing the time in 1 nanoSecond format.

Exception: This method throws ArithmeticException if the input nanoSeconds exceeds the capacity of Duration.



Below examples illustrate the Duration.ofNanos() method:

Example 1:




// Java code to illustrate ofNanos() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // input number of Nanos
        long noOfNanos = 1000000;
  
        // Duration using ofNanos() method
        Duration duration
            = Duration.ofNanos(noOfNanos);
  
        System.out.println(duration.getSeconds());
    }
}
Output:
0

Example 2:




// Java code to illustrate ofNanos() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // input number of Nanos
        long noOfNanos = -1000000;
  
        // Duration using ofNanos() method
        Duration duration
            = Duration.ofNanos(noOfNanos);
  
        System.out.println(duration.getSeconds());
    }
}
Output:
-1

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/Duration.html#ofNanos-long-

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