public class createUUID {
public static void main(String[] args) {
String uuid = UUID.randomUUID().toString(); //轉化為String對象
System.out.println(uuid); //打印UUID
uuid = uuid.replace("-", ""); //因為UUID本身為32位只是生成時多了“-”,所以將它們去點就可
System.out.println(uuid);
}
}