ChronoZonedDateTime plus(TemporalAmount) method in Java with Examples

plus() method of a ChronoZonedDateTime class used to returns a copy of this date-time with the specified amount added to date-time.The amount is typically Period or Duration but may be any other type implementing the TemporalAmount interface.

Syntax:

public ChronoZonedDateTime plus(TemporalAmount amountToadd)

Parameters: This method accepts one single parameter amountToadd which is the amount to add, It should not be null.

Return value: This method returns ChronoZonedDateTime based on this date-time with the addition made, not null

Exception: This method throws following Exceptions:



  • DateTimeException: if the addion cannot be made
  • ArithmeticException: if numeric overflow occurs

Below programs illustrate the plus() method:

Program 1:

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// Java program to demonstrate
// ChronoZonedDateTime.plus() method
  
import java.time.*;
import java.time.chrono.*;
import java.time.temporal.ChronoUnit;
  
public class GFG {
    public static void main(String[] args)
    {
  
        // create a ChronoZonedDateTime object
        ChronoZonedDateTime zonedlt
            = ZonedDateTime
                  .parse(
                      "2018-12-06T19:21:12.123+05:30[Asia/Calcutta]");
  
        // add 10 Days to ChronoZonedDateTime
        ChronoZonedDateTime value
            = zonedlt.plus(Period.ofDays(10));
  
        // print result
        System.out.println("ChronoZonedDateTime after"
                           + " adding Days:\n "
                           + value);
    }
}

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Output:

ChronoZonedDateTime after adding Days:
 2018-12-16T19:21:12.123+05:30[Asia/Calcutta]

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/ChronoZonedDateTime.html#plus-java.time.temporal.TemporalAmount-

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