Some classes could be sealed

[John Hendrikx]

I think this may be a bit unclear from this post, but you're proposing I 
think to make `Node`, `Shape` and `Shape3D` sealed. For those unaware, 
you're not allowed to extend these classes (despite being public).  For 
example Node says in its documentation:

    * An application should not extend the Node class directly. Doing so 
may lead to
    * an UnsupportedOperationException being thrown.

Currently this is enforced at runtime in NodeHelper.

--John

On 01/02/2023 15:47, Thiago Milczarek Sayão wrote:
> Hi,
>
> NodeHelper.java has this:
> throw new UnsupportedOperationException(
>          "Applications should not extend the " + nodeType +" class directly.");
>
> I think it's replaceable with selead classes. Am I right?
>
> The benefit will be compile time error instead of runtime.
>
>
> -- Thiago.
>
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