OffsetDateTime format() method in Java with examples
Last Updated :
13 Aug, 2021
The format() method of OffsetDateTime class in Java formats this date-time using the specified formatter.
Syntax :
public String format(DateTimeFormatter formatter)
Parameter : This method accepts a single parameter formatter which specifies the formatter to use, not null.
Return Value: It returns the formatted date string, not null.
Exceptions: The function throws a DateTimeException that is when an error occurs during printing.
Below programs illustrate the format() method:
Program 1 :
Java
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
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);
DateTimeFormatter formatter = DateTimeFormatter.ISO_TIME;
System.out.println(formatter.format(date1));
}
}
|
Output:
Date1: 2018-12-12T13:30:30+05:00
13:30:30+05:00
Program 2 :
Java
import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
public class GFG {
public static void main(String[] args)
{
try {
OffsetDateTime date1 = OffsetDateTime.parse( "2018-13-12T13:30:30+05:00" );
System.out.println( "Date1: " + date1);
DateTimeFormatter formatter = DateTimeFormatter.ISO_TIME;
System.out.println(formatter.format(date1));
}
catch (Exception e) {
System.out.println(e);
}
}
}
|
Output:
java.time.format.DateTimeParseException: Text '2018-13-12T13:30:30+05:00' could not be parsed: Invalid value for MonthOfYear (valid values 1 - 12): 13
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/OffsetDateTime.html#format-java.time.format.DateTimeFormatter-
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