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UUID node() Method in Java with Examples

Last Updated : 27 Dec, 2018
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The node() method of UUID class in Java is generally used to get the node value associated with this UUID. Syntax:
public long node()
Parameters: This method does not take any parameter. Return Value: This method returns an long value which is the node value associated with this UUID. Exception: This method throws UnsupportedOperationException If this UUID is not a version 1 UUID Below programs illustrate the working of node() method: Program 1: Java
// Java code to illustrate node() 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 node value
        System.out.println("The node value is: "
                           + UUID_1.node());
    }
}
Output:
UUID: 58e0a7d7-eebc-11d8-9669-0800200c9a66
The node value is: 8796630719078
Program 2: Java
// Java code to illustrate node() 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 node Value
        System.out.println("The node value is: "
                           + UUID_1.node());
    }
}
Output:
UUID: 5fc03087-d265-11e7-b8c6-83e29cd24f4c
The node value is: 145009316876108

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