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Java UUID node() Method with Example

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

UUID Class node() method

• node() method is available in java.util package.
• node() method is used to return the linked node with this UUID.
• node() 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.
• node() method may throw an exception at the time of returning UUID node.
  UnsupportedOperationException: This exception may throw when this UUID un-support version.

Syntax:

    public long node();

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of the method is long, it retrieves this UUID node value.

Example:

// Java program to demonstrate the example 
// of long node() method of UUID 

import java.util.*;

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

        // By using node() method is to
        // return the node value of this UUID
        long node = uuid.node();

        // Display Node Value
        System.out.println("uuid.node(): " + node);
    }
}

Output

uuid.node(): 18504569778509