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LocalDateTime plusDays() method in Java with Examples

Last Updated : 30 Nov, 2018
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The plusDays() method of LocalDateTime class is used to return a copy of this date-time with the specified days added. Syntax:
public LocalDateTime plusDays(long days)
Parameter: It accepts a single parameter days which specifies the days to add which may be negative. Return Value: This method returns a LocalDateTime based on this date-time with the days added. Exceptions: The programs throws a DateTimeException which is thrown if the result exceeds the supported days range. Below programs illustrate the YearMonth.plusDays() method in Java: Program 1: Java
// Program to illustrate the plusDays() method

import java.util.*;
import java.time.*;

public class GfG {
    public static void main(String[] args)
    {
        LocalDateTime dt1
            = LocalDateTime
                  .parse("2018-01-11T10:15:30");

        System.out.println("LocalDateTime with 15 days added: "
                           + dt1.plusDays(15));
    }
}
Output:
LocalDateTime with 15 days added: 2018-01-26T10:15:30
Program 2: Java
// Program to illustrate the plusDays() method

import java.util.*;
import java.time.*;

public class GfG {
    public static void main(String[] args)
    {
        LocalDateTime dt1
            = LocalDateTime
                  .parse("2018-01-11T08:15:30");

        System.out.println("LocalDateTime with -2 days added: "
                           + dt1.plusDays(-2));
    }
}
Output:
LocalDateTime with -2 days added: 2018-01-09T08:15:30
Reference: https://docs.oracle.com/javase/10/docs/api/java/time/LocalDateTime.html#plusDays(long)

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