Java by API/java.util/UUID
UUID: randomUUID()
<source lang="java">
import java.util.UUID; public class Main {
public static void main(String arg[]) { System.out.println(UUID.randomUUID()); }
} //138a4222-e898-484f-8347-dafc01c5b03b
</source>
<source lang="java">
import java.util.UUID; public class Main {
public static void main(String arg[]) { System.out.println(UUID.randomUUID()); }
} //138a4222-e898-484f-8347-dafc01c5b03b
</source>