OffsetDateTime withDayOfMonth() method in Java with examples
The withDayOfMonth() method of OffsetDateTime class in Java returns a copy of this OffsetDateTime with the day-of-month altered as specified in the parameter.
Syntax:
public OffsetDateTime withDayOfMonth(int dayOfMonth)
Parameter: This method accepts a single parameter dayOfMonth which specifies the day-of-month to be set in the result which can range from 1 to 28-31.
Return Value: It returns a OffsetDateTime based on this date with the requested day and not null.
Exceptions: The program throws a DateTimeException when the day-of-month value is invalid or if the day-of-month is invalid for the month of that particular year.
Below programs illustrate the withDayOfMonth() method:
Program 1:
import java.time.OffsetDateTime;
public class GFG {
public static void main(String[] args)
{
OffsetDateTime date1
= OffsetDateTime
.parse(
"2018-12-12T13:30:30+05:00" );
System.out.println( "Date1: " + date1);
System.out.println( "Date1 after altering day-of-month: "
+ date1.withDayOfMonth( 20 ));
}
}
|
Output:
Date1: 2018-12-12T13:30:30+05:00
Date1 after altering day-of-month: 2018-12-20T13:30:30+05:00
Program 2 :
import java.time.OffsetDateTime;
public class GFG {
public static void main(String[] args)
{
try {
OffsetDateTime date1
= OffsetDateTime
.parse(
"2018-12-12T13:30:30+05:00" );
System.out.println( "Date1: " + date1);
System.out.println( "Date1 after altering day-of-month: "
+ date1.withDayOfMonth( 32 ));
}
catch (Exception e) {
System.out.println( "Exception: " + e);
}
}
}
|
Output:
Date1: 2018-12-12T13:30:30+05:00
Exception: java.time.DateTimeException:
Invalid value for DayOfMonth (valid values 1 - 28/31): 32
Reference: https://docs.oracle.com/javase/10/docs/api/java/time/OffsetDateTime.html#withDayOfMonth(int)
Last Updated :
17 Dec, 2018
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