IsoChronology dateEpochDay() method in Java with Example
The dateEpochDay() method of java.time.chrono.IsoChronology class is used to get the local date according to ISO system from Epoch Day.
Syntax:
public IsoDate dateEpochDay(long epochDay)
Parameter: This method takes the epochDay of type long as a parameter.
Return Value: This method returns the IsoDate according to Hijrah calendar system from another TemporalAccessor object.
Below are the examples to illustrate the dateEpochDay() method:
Example 1:
Java
// Java program to demonstrate // dateEpochDay() 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(); // display the result System.out.println( "current LocalDate is: " + hidate); // getting LocalDate for the // given TemporalAccessor object // by using dateEpochDay() method hidate = crono.dateEpochDay( 23456 ); // display the result System.out.println( "\nLocalDate(according " + "to epochday) is: " + hidate); } catch (DateTimeException e) { System.out.println( "passed parameter can" + " not form a date" ); System.out.println( "Exception thrown: " + e); } } } |
Output
current LocalDate is: 2023-01-28 LocalDate(according to epochday) is: 2034-03-22
Example 2:
Java
// Java program to demonstrate // dateEpochDay() 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.of( 00000 , 01 , 01 ); // getting IsoChronology used in LocalDate IsoChronology crono = hidate.getChronology(); // display the result System.out.println( "current LocalDate is: " + hidate); // getting LocalDate for the // given TemporalAccessor object // by using dateEpochDay() method hidate = crono.dateEpochDay(- 999999999 ); // display the result System.out.println( "\nLocalDate(according " + "to epochday) is: " + hidate); } catch (DateTimeException e) { System.out.println( "passed parameter can" + " not form a date" ); System.out.println( "Exception thrown: " + e); } } } |
Output
current LocalDate is: 0000-01-01 LocalDate(according to epochday) is: -2735938-12-30
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/IsoChronology.html#dateEpochDay-long-
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