....and let me add that there may be better ways to accomplish this,
for example by requiring that all overrides must explicitly be
annotated with @Override and that any method overriding without one is
an error...
On Mar 13, 4:30 pm, TorNorbye <tor.nor...@gmail.com> wrote:
> On Mar 13, 1:37 pm, "marcelomorales.n...@gmail.com"
>
> <marcelomorales.n...@gmail.com> wrote:
> > Arround min 36:10 - 38:00, there is a discussion on override methods.
>
> > Non-overrideable is on the language today. isn't it?.
> > Listening to ep 234 seemed that they forgot final methods, the 'final'
> > keyword. I am missing something?
>
> Yes - I'm the one who brought it up in that discussion, and what I'm
> talking about is not @NotOverridABLE, but @NotOverridING.
>
> In other words, let's say you have
>
> public class LibraryClass { // Some class in some cool library
>
> }
>
> public class Donkey extends LibraryClass {
> �...@new public void run() {
> }
>
> }
>
> Compile that, no problem.
>
> Now let's say you go and upgrade from version 1.0 of the library to
> version 1.1. What if the developer in version 1.1 had done this:
>
> public class LibraryClass implements Runnable { // Some class in some
> cool library
> public void run() {
> // Some important piece of functionality here that other parts
> of the class depend upon
> }
>
> }
>
> Now your method is accidentally overriding the run method. It wasn't
> intended to - when you wrote your subclass of the library class, this
> method wasn't present.
>
> With the @New (or @NotOverride etc) annotations the compiler would
> complain because it sees that your method which wasn't intended to
> override anything suddenly is.
>
> -- Tor
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