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JapaneseChronology dateEpochDay() method in Java with Example

IsoChronology dateEpochDay() method in Java with Example

The dateEpochDay() method of java.time.chrono.JapaneseChronology class is used get the Japanese date according to Japanese calendar system from the Epoch Day.
Syntax: 
 

public JapaneseDate dateEpochDay(long epochDay)

Parameter: This method takes the epochDay of type long as a parameter.
Return Value: This method returns the local date according to Japanese calendar system from another TemporalAccessor object.
Exception: This method throws DateTimeException if this epoch day is unable to create the Japanese date.
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
            // JapaneseDate Object
            JapaneseDate hidate = JapaneseDate.now();
 
            // getting JapaneseChronology
            // used in JapaneseDate
            JapaneseChronology crono
                = hidate.getChronology();
 
            // display the result
            System.out.println("current JapaneseDate is: "
                               + hidate);
 
            // getting JapaneseDate for the
            // given TemporalAccessor object
            // by using dateEpochDay() method
            hidate = crono.dateEpochDay(23456);
 
            // display the result
            System.out.println("\nJapaneseDate(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 JapaneseDate is: Japanese Reiwa 5-02-03

JapaneseDate(according to epochday) is: Japanese Reiwa 16-03-22



													
													
												

												
												

													
													
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


            // JapaneseDate Object


            JapaneseDate hidate = JapaneseDate.now();


 


            // getting JapaneseChronology


            // used in JapaneseDate


            JapaneseChronology crono


                = hidate.getChronology();


 


            // display the result


            System.out.println("current JapaneseDate is: "


                               + hidate);


 


            // getting JapaneseDate for the


            // given TemporalAccessor object


            // by using dateEpochDay() method


            hidate = crono.dateEpochDay(-999999999);


 


            // display the result


            System.out.println("\nJapaneseDate(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 JapaneseDate is: Japanese Reiwa 5-02-03
passed parameter can not form a date
Exception thrown: java.time.DateTimeException: JapaneseDate before Meiji 6 is not supported



													
													
												

												
												

													
													
Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/JapaneseChronology.html#dateEpochDay-long-
 

													
													
												

												
												

													
													

													
													
												

												
												

													
													

													
													
												

												
												

													
													

													
													
												

												
													
											

											
										

									

									

										
										
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												IsoChronology dateEpochDay() method in Java with Example