UUID.nameUUIDFromBytes(byte[]) in Java

UUID.nameUUIDFromBytes(byte[]): This method is available in java.util.UUID class of Java.

Syntax:

UUID java.util.UUID.nameUUIDFromBytes(byte[] name)

This method takes one argument. Static factory to retrieve a type 3 UUID based on the specified byte array.

Parameters: One parameter is required for this method.

name: A byte array to be used to construct a UUID.

Returns: A UUID generated from the specified array.

Exceptions: NA

Approach

Java

import java.util.UUID;

public class UUIDnameUUIDFromBytes {
    public static void main(String[] args) {

        byte[] name = { 1, 2, 3 };
        UUID uuid = UUID.nameUUIDFromBytes(name);

        System.out.println(uuid);
    }
}

Output:

5289df73-7df5-3326-bcdd-22597afb1fac

Some other methods of UUID

clockSequence(): This method returns the clock sequence value associated with this UUID.

compareTo(UUID): This method compares this UUID with the specified UUID.

equals(Object): This method compares this object to the specified object.

UUID.fromString(String): This method creates a UUID from the string standard representation as described in the toString method.

getLeastSignificantBits(): This method returns the least significant 64 bits of this UUID's 128-bit value.

getMostSignificantBits(): This method returns the most significant 64 bits of this UUID's 128-bit value.

hashCode(): This method returns a hash code for this UUID.

UUID.nameUUIDFromBytes(byte[]): Static factory to retrieve a type 3 UUID based on the specified byte array.

node(): The node value associated with this UUID.

UUID.randomUUID(): Static factory to retrieve a type 4 UUID.

timestamp(): This method returns the timestamp value associated with this UUID.

toString(): This method returns a String object representing this UUID.

variant(): This method returns the variant number associated with this UUID.

version(): This method returns the version number associated with this UUID.