UUID version() Method in Java with Examples

Every UUID has a version number describing the generation of this UUID. The version() method of UUID class in Java is generally used to get version number associated with this UUID.

Syntax:

public int version()

Parameters: This method does not take any parameter.

Return Value: This method returns a int value which is the version number associated with this UUID.

Below programs illustrate the working of version() method:



Program 1:

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// Java code to illustrate version() method
  
import java.util.*;
  
public class UUID_Demo {
    public static void main(String[] args)
    {
  
        // Creating two UUIDs
        UUID UUID_1
            = UUID
                  .fromString(
                      "58e0a7d7-eebc-11d8-9669-0800200c9a66");
  
        // Displaying the UUID
        System.out.println("UUID: "
                           + UUID_1);
  
        // Displaying the version number
        System.out.println("The version number is: "
                           + UUID_1.version());
    }
}

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Output:

UUID: 58e0a7d7-eebc-11d8-9669-0800200c9a66
The version number is: 1

Program 2:

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// Java code to illustrate version() method
  
import java.util.*;
  
public class UUID_Demo {
    public static void main(String[] args)
    {
  
        // Creating two UUIDs
        UUID UUID_1
            = UUID
                  .fromString(
                      "5fc03087-d265-11e7-b8c6-83e29cd24f4c");
  
        // Displaying the UUID
        System.out.println("UUID: "
                           + UUID_1);
  
        // Displaying the version Value
        System.out.println("The version number is: "
                           + UUID_1.version());
    }
}

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Output:

UUID: 5fc03087-d265-11e7-b8c6-83e29cd24f4c
The version number is: 1

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