IsoChronology date(int, int, int) method in Java with Example
Last Updated :
27 Jan, 2022
The date() method of java.time.chrono.IsoChronology class is used get the local date according to ISO calendar system for the given year, month and day.
Syntax:
public LocalDate date(int prolepticYear,
int month,
int dayOfMonth)
Parameter: This method takes the following arguments as parameter.
- prolepticYear: integer proleptic year for the year field of ISO
- month: integer month for the month field of ISO
- day: integer day for the day field of ISO
Return Value: This method returns the local date according to Iso calendar system for the given year, month and day.
Exception: This method throws DateTimeException if the given field of day, month and year are unable to form a structured date.
Below are the examples to illustrate the date() method:
Example 1:
Java
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] argv)
{
try {
LocalDate lodate = LocalDate.now();
IsoChronology crono = lodate.getChronology();
LocalDate date = crono.date( 1440 , 05 , 24 );
System.out.println( "LocalDate is: " + date);
}
catch (DateTimeException e) {
System.out.println( "passed parameter can "
+ "not form a date" );
System.out.println( "Exception thrown: " + e);
}
}
}
|
Output:
LocalDate is: 1440-05-24
Example 2:
Java
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
public class GFG {
public static void main(String[] argv)
{
try {
LocalDate lodate = LocalDate.now();
IsoChronology crono = lodate.getChronology();
LocalDate date = crono.date( 2020 , 05 , 34 );
System.out.println( "LocalDate is: " + date);
}
catch (DateTimeException e) {
System.out.println( "passed parameter can "
+ "not form a date" );
System.out.println( "Exception thrown: " + e);
}
}
}
|
Output
passed parameter can not form a date
Exception thrown: java.time.DateTimeException: Invalid value for DayOfMonth (valid values 1 - 28/31): 34
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/IsoChronology.html#date-int-int-int-
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