I would imagine it does the string concat and then disregards it. It would
concat, pass the final string to the function, fail the if, return, and
discard the string...
- Dan
On Fri, Oct 2, 2009 at 9:31 AM, jsdf <jasons...@gmail.com> wrote:
>
> Hi all,
>
> I have been using the following conventions for my applications:
>
> - I define a static log(String msg) function centrally as:
> public static void log(String msg) {
> if (LOG) Log.v(msg);
> }
>
> - While debugging, LOG is true. For production, LOG is false.
>
> - Throughout the code, I will then log with functions like:
> MainApp.log("This is a logged message, variable a="+a);
>
> My question is, if I set LOG to false, will the compiler recognize
> that the entire log function is useless and not even perform the
> string concatenation? Or, will it perform the string concatenation,
> but then immediately disregard the results? Obviously, I prefer the
> former (fewer ops = better), but I don't know how to check for this.
>
> Thanks,
> jsdf
> >
>
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