LocalTime withNano() method in Java


An immutable copy of a LocalTime with the nanoseconds altered as required is done using the method withNano() in the LocalTime class in Java. This method requires a single parameter i.e. the nanosecond that is to be set in the LocalTime and it returns the LocalTime with the nanosecond altered as required.

A program that demonstrates this is given as follows −

Example

 Live Demo

import java.time.*;
public class Main {
   public static void main(String[] args) {
      LocalTime lt1 = LocalTime.parse("23:15:30");
      System.out.println("The LocalTime is: " + lt1);
      LocalTime lt2 = lt1.withNano(5);
      System.out.println("The LocaleTime with nanosecond altered is: " + lt2);
   }
}

Output

The LocalTime is: 23:15:30
The LocaleTime with nanosecond altered is: 23:15:30.000000005

Now let us understand the above program.

First the LocalTime is displayed. Then the LocalTime with the nanosecond altered to 5 is displayed using the method withNano(). A code snippet that demonstrates this is as follows −

LocalTime lt1 = LocalTime.parse("23:15:30");
System.out.println("The LocalTime is: " + lt1);
LocalTime lt2 = lt1.withNano(5);
System.out.println("The LocaleTime with nanosecond altered is: " + lt2);

Updated on: 30-Jul-2019

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