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From "Felix Meschberger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JCR-2482) Reduce number of compiler warning by adding @Override and generics where appropriate
Date Wed, 03 Feb 2010 07:05:19 GMT

    [ https://issues.apache.org/jira/browse/JCR-2482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12828985#action_12828985
] 

Felix Meschberger commented on JCR-2482:
----------------------------------------

There is probably more to it, than just some syntax.

For the @Override it helps the compiler ensure correct extension. It is much simpler fixing
issues occurring at compile time than to write tests and try to find issues at test/run time.
Second it helps identifying overwritten methods when looking at the source without an IDE,
e.g. by just skimming SVN with a browser.

For final: It serves AFAICT two purposes. One it helps preventing overwriting values inadvertedly,
thus going into the "find bugs at compile time" category as the @Override annotation. The
other use it might help compilers and vms optimizie the variable (though this may be of less
importance nowadays with advanced compilers and modern VMs).

So, I think it is a good thing to have them.

> Reduce number of compiler warning by adding @Override and generics where appropriate

> -------------------------------------------------------------------------------------
>
>                 Key: JCR-2482
>                 URL: https://issues.apache.org/jira/browse/JCR-2482
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-jcr2spi
>    Affects Versions: 2.1.0
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>             Fix For: 2.1.0
>
>
> Add @Override and generics where possible to reduce the number of warnings issued by
the compiler.

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