Java UUID.variant() method example

Java UUID.variant() method example

By technicalkeeda, Views 287, Date 21-Feb-2018

In this tutorial, You will learn how to get the variant number of this UUID.

tags Java

The variant number describes the layout of the UUID. The variant number has the following meaning :-

  • 0 Reserved for NCS backward compatibility.
  • 2 IETF RFC 4122 (Leach-Salz), used by this class.
  • 6 Reserved, Microsoft Corporation backward compatibility.
  • 7 Reserved for future definition.

syntax

public int variant()

Returns

The variant number of this UUID.

Java UUID variant() example

  • Initialize the String String name = "d605a917-a9d4-44d1-a3ef-60e960a4b9b2";
  • UUID.fromString(name); It creates a UUID from the string standard representation.
  • uuid.variant(); It returns the variant number associated with this UUID.
package com.technicalkeeda;

import java.util.UUID;

public class App {

    public static void main(String[] args) {

        String name = "d605a917-a9d4-44d1-a3ef-60e960a4b9b2";
        UUID uuid = UUID.fromString(name);

        System.out.println("UUID variant is :- " + uuid.variant());
    }
}

output

UUID variant is :- 2

Suggested Posts

Yashwant

Yashwant

Hi there! I am founder of technicalkeeda.com and programming enthusiast. My skills includes Java,J2EE, Spring Framework, Nodejs, PHP and lot more. If you have any idea that you would want me to develop? Lets connect: yashwantchavan[at][gmail.com]