UUID toString() Method in Java with Examples

The toString() method of UUID class in Java is generally used to get the string representation of this UUID.

Syntax:

public String toString()

Parameters: This method does not take any parameter.

Return Value: This method returns a String value which is the string representation of this UUID.

Below programs illustrate the working of toString() method:

Program 1:

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// Java code to illustrate toString() 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 string representation
        System.out.println("The string representation is: "
                           + UUID_1.toString());
    }
}

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Output:

UUID: 58e0a7d7-eebc-11d8-9669-0800200c9a66
The string representation is: 58e0a7d7-eebc-11d8-9669-0800200c9a66

Program 2:

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// Java code to illustrate toString() 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 toString Value
        System.out.println("The string representation is: "
                           + UUID_1.toString());
    }
}

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Output:

UUID: 5fc03087-d265-11e7-b8c6-83e29cd24f4c
The string representation is: 5fc03087-d265-11e7-b8c6-83e29cd24f4c


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