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Duration plusNanos(long) method in Java with Examples

  • Last Updated : 26 Nov, 2018

The plusNanos(long) method of Duration Class in java.time package is used to get an immutable copy of this duration with the specified number of nano-seconds added, passed as the parameter.

Syntax:

public Duration plusNanos(long numberOfNanos)

Parameters: This method accepts a parameter numberOfNanos which is the number of nano-seconds to be added. It can be positive or negative but not null.

Return Value: This method returns a Duration which is an immutable copy of the existing duration with the parameter amount of nano-seconds added to it.

Exception: This method throws ArithmeticException if numeric overflow occurs.

Below examples illustrate the Duration.plusNanos() method:

Example 1:




// Java code to illustrate plusNanos() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration 1 using parse() method
        Duration duration1
            = Duration.parse("P2DT3H4M");
  
        // Get the duration added
        // using plusNanos() method
        System.out.println(duration1.plusNanos(2));
    }
}
Output:
PT51H4M0.000000002S

Example 2:




// Java code to illustrate plusNanos() method
  
import java.time.Duration;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // Duration 1 using parse() method
        Duration duration1
            = Duration.parse("P0DT0H4M");
  
        // Get the duration added
        // using plusNanos() method
        System.out.println(duration1.plusNanos(5));
    }
}
Output:
PT4M0.000000005S

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

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