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Java UUID clockSequence() Method with Example

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

UUID Class clockSequence() method

  • clockSequence() method is available in java.util package.
  • clockSequence() method is used to retrieve the clock sequence linked with this UUID.
  • clockSequence() method is a non-static method, it is accessible with class object only and if we try to access the method with the class name then we will get an error.
  • clockSequence() method may throw an exception at the time of the clocking sequence.
    UnsupportedOperationException: This exception may throw when this UUID un-support version.


    public int clockSequence();


  • It does not accept any parameter.

Return value:

The return type of the method is int, it returns this UUID clock sequence.


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

import java.util.*;

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

        // Instantiate UUID    
        UUID uuid = UUID.fromString("46400000-8cc0-11bd-b43e-10d46e4ef14d");

        // By using clockSequence() method
        // is to return the clock sequence of this UUID
        System.out.println("uuid.clockSequence(): " + uuid.clockSequence());


uuid.clockSequence(): 13374


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