java.time.Duration.toNanos() Method Example

Description

The java.time.Duration.toNanos() method gets the number of nanoseconds in this duration.

Declaration

Following is the declaration for java.time.Duration.toNanos() method.

public long toNanos()

Return Value

the number of nanoseconds in the duration, may be negative.

Exception

ArithmeticException − if numeric overflow occurs.

Example

The following example shows the usage of java.time.Duration.toNanos() method.

package com.tutorialspoint;

import java.time.Duration;

public class DurationDemo {
   public static void main(String[] args) {

      Duration duration = Duration.ofDays(2);
      System.out.println(duration.toNanos());  
   }
}

Let us compile and run the above program, this will produce the following result −

172800000000000