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.
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Syntax:Â Â
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.
Exception:Â
This method throws following Exceptions:
- DateTimeException – if the addition cannot be made
- ArithmeticException – if numeric overflow occurs
Below programs illustrate the plus() method:Â
Program 1:Â Â
Java
// Java program to demonstrate// ChronoLocalDateTime.plus() methodÂ
import java.time.*;import java.time.chrono.*;Â
public class GFG {Â Â Â Â public static void main(String[] args)Â Â Â Â {Â
        // Get the ChronoLocalDateTime instance        ChronoLocalDateTime ldt            = LocalDateTime                  .parse("2019-12-31T19:15:30");Â
        // Get the String representation of this ChronoLocalDateTime        System.out.println("Original ChronoLocalDateTime: "                           + ldt.toString());Â
        // add 10 Days to ChronoLocalDateTime        ChronoLocalDateTime value            = ldt.plus(Period.ofDays(10));Â
        // print result        System.out.println("ChronoLocalDateTime after adding Days: "                           + value);    }} |
Output:Â
Original ChronoLocalDateTime: 2019-12-31T19:15:30 ChronoLocalDateTime after adding Days: 2020-01-10T19:15:30
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