ZonedDateTime plusSeconds() method in Java with Examples

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plusSeconds() method of a ZonedDateTime class used to add the number of seconds in this ZonedDateTime and return a copy of ZonedDateTime after addition.This method works on the instant time-line and adding one-second returns the time-line of one second later. Note that this method is a different approach to that used by days, months and years. This instance is immutable and unaffected by this method call.

Syntax:

public ZonedDateTime plusSeconds(long seconds)

Parameters: This method accepts a single parameter seconds which represents the seconds to add, It can be negative.

Return value: This method returns a ZonedDateTime based on this date-time with the seconds added.

Exception: This method throws DateTimeException if the result exceeds the supported date range.

Below programs illustrate the plusSeconds() method:
Program 1:

// Java program to demonstrate
// ZonedDateTime.plusSeconds() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a ZonedDateTime object
        ZonedDateTime zoneddatetime
            = ZonedDateTime.parse(
                "2018-12-06T19:21:12.123+05:30[Asia/Calcutta]");
  
        // print instance
        System.out.println("ZonedDateTime before"
                           + " adding seconds: "
                           + zoneddatetime);
  
        // add 3002 seconds
        ZonedDateTime returnvalue
            = zoneddatetime.plusSeconds(3002);
  
        // print result
        System.out.println("ZonedDateTime after "
                           + " adding seconds: "
                           + returnvalue);
    }
}

Output:

ZonedDateTime before adding seconds: 2018-12-06T19:21:12.123+05:30[Asia/Calcutta]ZonedDateTime after adding seconds: 2018-12-06T20:11:14.123+05:30[Asia/Calcutta]

Program 2:

// Java program to demonstrate
// ZonedDateTime.plusSeconds() method
  
import java.time.*;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a ZonedDateTime object
        ZonedDateTime zoneddatetime
            = ZonedDateTime.parse(
                "2018-10-25T23:12:31.123+02:00[Europe/Paris]");
  
        // print instance
        System.out.println("ZonedDateTime before"
                           + " adding seconds: "
                           + zoneddatetime);
  
        // add 52 seconds
        ZonedDateTime returnvalue
            = zoneddatetime.plusSeconds(52);
  
        // print result
        System.out.println("ZonedDateTime after "
                           + " adding seconds: "
                           + returnvalue);
    }
}

Output:

ZonedDateTime before adding seconds: 2018-10-25T23:12:31.123+02:00[Europe/Paris]ZonedDateTime after adding seconds: 2018-10-25T23:13:23.123+02:00[Europe/Paris]

Reference: https://docs.oracle.com/javase/10/docs/api/java/time/ZonedDateTime.html#plusSeconds(long)