public class createUUID {
public static void main(String[] args) {
String uuid = UUID.randomUUID().toString(); //转化为String对象
System.out.println(uuid); //打印UUID
uuid = uuid.replace("-", ""); //因为UUID本身为32位只是生成时多了“-”，所以将它们去点就可
System.out.println(uuid);
}
}