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IsoChronology getId() method in Java with Example

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  • Last Updated : 27 Mar, 2020
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The getId() method of java.time.chrono.IsoChronology class is used to retrieve the identification status for the particular chronology for which getId() method is revoked.

Syntax:

public String getId()

Parameter: This method does not accept any argument as a parameter.

Return Value: This method returns the identification status for the particular chronology for which getId() method is revoked.

Below are the examples to illustrate the getId() method:

Example 1:




// Java program to demonstrate
// getId() method
  
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing
        // LocalDate Object
        LocalDate hidate = LocalDate.now();
  
        // getting IsoChronology
        // used in LocalDate
        IsoChronology crono
            = hidate.getChronology();
  
        // getting id of this Chronology
        // by using getId() method
        String id = crono.getId();
  
        // display the result
        System.out.println("id : " + id);
    }
}

Output:

id : ISO

Example 2:




// Java program to demonstrate
// getId() method
  
import java.util.*;
import java.io.*;
import java.time.*;
import java.time.chrono.*;
  
public class GFG {
    public static void main(String[] argv)
    {
        // creating and initializing
        // LocalDate Object
        LocalDate hidate = LocalDate.now(Clock.systemDefaultZone());
  
        // getting IsoChronology
        // used in LocalDate
        IsoChronology crono
            = hidate.getChronology();
  
        // getting id of this Chronology
        // by using getId() method
        String id = crono.getId();
  
        // display the result
        System.out.println("id : " + id);
    }
}

Output:

id : ISO

Reference: https://docs.oracle.com/javase/9/docs/api/java/time/chrono/IsoChronology.html#getId–


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