The dateYearDay() method of java.time.chrono.IsoChronology class is used to retrieve the local date according to the Iso calendar for the particular era.
Syntax:
public LocalDate dateYearDay(Era era, int yearOfEra, int dayOfYear)
Parameter: This method takes the following arguments as parameter.
- era: which is the object of type Era
- year: which is the integer year for the year field of LocalDate
- day: which is the integer day for the day field of LocalDate
Return Value: This method returns the local date according to the Iso calendar for the particular era.
Below are the examples to illustrate the dateYearDay() method:
Example 1:
// Java program to demonstrate // dateYearDay() method import java.util.*; import java.io.*; import java.time.*; import java.time.chrono.*; public class GFG { public static void main(String[] argv) { try { // creating and initializing // LocalDate Object LocalDate hidate = LocalDate.now(); // getting IsoChronology // used in LocalDate IsoChronology crono = hidate.getChronology(); // getting LocalDate for the // given date and year field // by using dateYearDay() method LocalDate date = crono.dateYearDay( IsoEra.BCE, 1440 , 24 ); // display the result 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); } } } |
LocalDate is: -1439-01-24
Example 2:
// Java program to demonstrate // dateYearDay() method import java.util.*; import java.io.*; import java.time.*; import java.time.chrono.*; public class GFG { public static void main(String[] argv) { try { // creating and initializing // LocalDate Object LocalDate hidate = LocalDate.now(); // getting IsoChronology // used in LocalDate IsoChronology crono = hidate.getChronology(); // getting LocalDate for the // given date and year field // by using dateYearDay() method LocalDate date = crono.dateYearDay( IsoEra.BCE, 0000 , 30 ); // display the result 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); } } } |
LocalDate is: 0001-01-30