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Showing content from https://www.geeksforgeeks.org/java/zoneddatetime-hashcode-method-in-java-with-examples/ below:

ZonedDateTime hashCode() method in Java with Examples

Last Updated : 07 Dec, 2018

The

hashCode()

method of a

ZonedDateTime

class is used to get the hashcode for this ZonedDateTime. Hashcode is a unique code generated by the JVM at time of object creation. It can be used to perform some operation on hashing related algorithm like hashtable, hashmap etc. An object can also be searched with this unique code.

Syntax:

public ZoneId hashCode()

Parameters:

This method does not take any parameters.

Return value:

This method returns an

integer value

representing a suitable hash code. Below programs illustrate the hashCode() method:

Program 1: Java


 // Java program to demonstrate
// ZonedDateTime.hashCode() method

import java.time.*;

public class GFG {
    public static void main(String[] args)
    {

        // create a ZonedDateTime object
        ZonedDateTime zoneddatetime
            = ZonedDateTime.parse(
                "2018-12-06T19:21:12.123+05:30[Asia/Calcutta]");

        // get hashcode
        int value = zoneddatetime.hashCode();

        // print result
        System.out.println("hashcode:" + value);
    }
}

Output:

hashcode:1966859253

Program 2: Java


 // Java program to demonstrate
// ZonedDateTime.hashCode() method

import java.time.*;

public class GFG {
    public static void main(String[] args)
    {

        // create a ZonedDateTime object
        ZonedDateTime zoneddatetime
            = ZonedDateTime.parse(
                "1918-10-25T23:12:38.543+02:00[Europe/Paris]");

        // get hashcode
        int value = zoneddatetime.hashCode();

        // print result
        System.out.println("hashcode:" + value);
    }
}

Output:

hashcode:1110445649

Reference: https://docs.oracle.com/javase/10/docs/api/java/time/ZonedDateTime.html#hashCode()

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