minusNanos() method of Instant class subtracts nanoseconds value passed as parameter from this instant and return the result as an instant object. This returned Instant is immutable.
Syntax:
public Instant minusNanos(long nanosToSubtract)
Parameters: This method accepts one parameter nanosToSubtract which is nanoseconds to be subtracted.
Returns: This method returns Instant after subtraction of nanoseconds.
Exception: This method throws following exceptions:
- DateTimeException: if the result exceeds the maximum or minimum instant.
- ArithmeticException: if numeric overflow occurs.
Below programs illustrate the minusNanos() method:
Program 1:
Java
// Java program to demonstrate// Instant.minusNanos() methodimport java.time.*;public class GFG { public static void main(String[] args) { // create a Instant object Instant instant = Instant.parse("2018-12-30T19:34:50.63Z"); // current Instant System.out.println("Initialize instant: " + instant); // subtract 430000000 nanoseconds // means .43 seconds from this instant Instant returnedValue = instant.minusNanos(430000000); // print result System.out.println("Returned Instant: " + returnedValue); }} |
Output
Initialize instant: 2018-12-30T19:34:50.630Z Returned Instant: 2018-12-30T19:34:50.200Z
Program 2:
Java
// Java program to demonstrate// Instant.minusNanos() methodimport java.time.*;public class GFG { public static void main(String[] args) { // create a Instant object Instant instant = Instant.now(); // current Instant System.out.println("Current instant: " + instant); // subtract 540000000 nanoseconds // means .564 seconds from this instant Instant returnedValue = instant.minusNanos(540000000); // print result System.out.println("Returned Instant: " + returnedValue); }} |
Output:
Current instant: 2018-11-27T06:43:58.495Z Returned Instant: 2018-11-27T06:43:57.955Z
References: https://docs.oracle.com/javase/10/docs/api/java/time/Instant.html#minusNanos(long)
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