ChronoLocalDateTime plus(TemporalAmount) method in Java with Examples

The plus() method of a ChronoLocalDateTime interface is used to return a copy of this ChronoLocalDateTime 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.


default ChronoLocalDateTime 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 ChronoLocalDateTime based on this date-time with the addition made, not null.

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:





// Java program to demonstrate
// method
import java.time.*;
import java.time.chrono.*;
public class GFG {
    public static void main(String[] args)
        // Get the ChronoLocalDateTime instance
        ChronoLocalDateTime ldt
            = LocalDateTime
        // Get the String representation of this ChronoLocalDateTime
        System.out.println("Original ChronoLocalDateTime: "
                           + ldt.toString());
        // add 10 Days to ChronoLocalDateTime
        ChronoLocalDateTime value
        // print result
        System.out.println("ChronoLocalDateTime after adding Days: "
                           + value);



Original ChronoLocalDateTime: 2019-12-31T19:15:30
ChronoLocalDateTime after adding Days: 2020-01-10T19:15:30


Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready.

My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using or mail your article to See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.