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Groups > comp.lang.java.programmer > #28432

Re: @java.lang.DontOverride

From Simon Lewis <simonlewis2001@gmail.com>
Newsgroups comp.lang.java.programmer
Subject Re: @java.lang.DontOverride
Date 2014-05-11 11:03 +0200
Organization Lewis
Message-ID <87bnv47kmn.fsf@gmail.com> (permalink)
References <override-20140511031054@ram.dialup.fu-berlin.de>

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ram@zedat.fu-berlin.de (Stefan Ram) writes:

> class Example extends javax.swing.JComponent
> { public boolean isValid(){ return true; }}
>
>   I do not want to override any method of JComponent with my method.
>   I just want to add a new method. But now or in future versions of
>   Swing there might be an »isValid« method in JComponent. So I'd like
>   to have a @java.lang.DontOverride annotation with the following
>   meaning: »Aborts compilation if any base class has a non-private
>   method of the same name.« Why do we have @java.lang.Ovverride, but
>   not the opposite? Or have I missed something?

A rare requirement but you could just try and call the superclass method
and catch any exception that results and call your own one.

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Re: @java.lang.DontOverride Simon Lewis <simonlewis2001@gmail.com> - 2014-05-11 11:03 +0200

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