Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: Use of @Override when implementing interfaces
Date: Fri, 06 Dec 2013 09:51:20 -0500
Organization: A noiseless patient Spider
Lines: 25
Message-ID: <l7soan$ksh$1@dont-email.me>
References: <d0685bbc-5d5d-47d0-a264-e79debf00b3d@googlegroups.com> <slrnla2tii.76o.fredrik@biggles.jonson.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Fri, 6 Dec 2013 14:52:08 +0000 (UTC)
Injection-Info: mx05.eternal-september.org; posting-host="6b9e92482af47766954d85fb77d372f5"; logging-data="21393"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18q1tNNnEy/y//Kj7KdfihCHXQkFhuuTq8="
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10
In-Reply-To: <slrnla2tii.76o.fredrik@biggles.jonson.org>
Cancel-Lock: sha1:SB2aAWTohU3ZsITcqx78dgLu4+M=
Xref: csiph.com comp.lang.java.programmer:26745

On 12/06/2013 02:01 AM, Fredrik Jonson wrote:
> Y HA wrote:
>
>>   class Task implements Runnable {
>>       @Override
>>       public void run() {
>>           System.out.println("Run method overridden in Task class");
>>       }
>>   }
>
> Sorry, I can't help with the problem, but the code made me curious.
>
> Is it commont practice to use @Override when implementing interface
> methods? Assuming that the method has not been implemented by a
> superclass.
>
> Obviously, the annotation is technically allowed, still it isn't really
> possible to override an implementation that does not exist. And it
> doesn't add type safety to the code, if your method signature doesn't
> match the method signature of the interface, the implementing class
> won't compile.
>
Some interesting discussion around this Netbeans bug report.
<https://netbeans.org/bugzilla/show_bug.cgi?id=118928>