Home » Java programming language

Java UUID hashCode() Method with Example

UUID Class hashCode() method: Here, we are going to learn about the hashCode() method of UUID Class with its syntax and example.
Submitted by Preeti Jain, on February 21, 2020

UUID Class hashCode() method

• hashCode() method is available in java.util package.
• hashCode() method is used to retrieve the hash code for this UUID.
• hashCode() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• hashCode() method does not throw an exception at the time of returning hash code.

Syntax:

    public int hashCode();

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of the method is int, it returns this UUID hash code.

Example:

// Java program to demonstrate the example 
// of int hashCode() method of UUID 

import java.util.*;

public class HashCodeOfUUID {
    public static void main(String[] args) {
        // Instantiate UUID 
        UUID uuid = UUID.fromString("46400000-8cc0-11bd-b43e-10d46e4ef14d");

        // By using hashCode() method is to
        // return the hash code of this UUID
        int hc = uuid.hashCode();

        // Display hashcode
        System.out.println("uuid.hashCode(): " + hc);
    }
}

Output

uuid.hashCode(): 284225572