java.util.UUID.nameUUIDFromBytes() Method

Description

The nameUUIDFromBytes(byte[] name) method is used as a static factory to retrieve a type 3 (name based) UUID based on the specified byte array.

Declaration

Following is the declaration for java.util.UUID.nameUUIDFromBytes() method.

public static UUID nameUUIDFromBytes(byte[] name)

Parameters

• name--This is a byte array to be used to construct a UUID.

Return Value

The method call returns a UUID generated from the specified array.

Exception

• NA

Example

The following example shows the usage of java.util.UUID.nameUUIDFromBytes()

package com.tutorialspoint;

import java.util.*;

public class UUIDDemo {
   public static void main(String[] args) {
      // creating byte array 
      byte[] nbyte = {10,20,30};
       
      // creating UUID from byte     
      UUID uid = UUID.nameUUIDFromBytes(nbyte);     
        
      // checking UUID value
      System.out.println("UUID value from byte: "+uid);    
   }     
}

Let us compile and run the above program, this will produce the following result.

UUID value from byte: 7f49b84d-0bbc-38e9-a493-718013baace6