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From: "Michael Dunn" <michael.dunn@THRWHITE.remove-dii-this>
Subject: Re: Help with code
Message-ID: <4638643d@dnews.tpgi.com.au>
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Date: Wed, 27 Apr 2011 15:34:02 GMT
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"Ian Wilson" <scobloke2@infotop.co.uk> wrote in message 
news:46384a5e$0$19254$da0feed9@news.zen.co.uk...
> Michael Dunn wrote:
>
> <snippage>
>
> Expressions involving x and y tend to make me think of cartesian coordinates, I had to do a double 
> take to check you were using FlowLayout for the buttons and not GridLayout.
>
>>     for(int x= 0, y = btns.length; x < y; x++)
>
> Why not
>       for(int x = 0; x < btns.length; x++)
>
> I've always imagined that the compiler or JVM would do the obvious optimisation. Is there 
> something I'm missing?
>

absolutely no idea how the JVM optimises, I've just assumed that btns.length
would be called/evaluated on each loop and that it would be better to do this
only once. If it makes no difference, then
for(int x = 0; x < btns.length; x++)
is a simpler way to do it.

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