Flex: arrayCollection inside another ArrayCollection?

can I create an ArrayCollection into another ArrayCollectionon in Flex ?

(or just an array.. or a list if I ca开发者_开发问答nnot)

thanks

Yes, there is no reason why you couldn't do it.

        var array:ArrayCollection = new ArrayCollection();
        var childArray:ArrayCollection = new ArrayCollection();
        childArray.addItem("test");
        array.addItem(childArray);