generate a random uuid string in java

/**
 * @author lautturi.com 
 * Java example: create random uuid in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		String uuid = UUID.randomUUID().toString();
		System.out.println(uuid);
	}

}

output:

348323d7-b1b4-4b67-bddc-10d4002c3fa4