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Re: Q) Parsing Command-Line Arguments

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Proud Japanese wrote:
> I see that there are two ways to parse command line arguments. 

What you present has nothing to do with the command line.

> For example,
> 
>         double d1 = Double.valueOf(args[0]).doubleValue() ;
>         double d2 = Double.parseDouble(args[0]);
> 
> Is there a difference between these two options?  Personally I think
> that the second option is simpler.
> 
> Which one is more preferable?

See markspaces' answer for one way to distinguish.

> Do both of these options [i.e. Type.valueOf(args[i]).TypeValue()  &
> Type.parseType(args[i])] work with all of Java's eight basic data
> types [i.e.character, boolean, byte, short, integer, long, float &
> double]

Get to know the API docs.
http://download.oracle.com/javase/7/docs/api/

-- 
Lew

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Q) Parsing Command-Line Arguments Proud Japanese <hayato.fujimoto@yahoo.com> - 2011-08-09 05:28 -0700
  Re: Q) Parsing Command-Line Arguments markspace <-@.> - 2011-08-09 07:50 -0700
  Re: Q) Parsing Command-Line Arguments Roedy Green <see_website@mindprod.com.invalid> - 2011-08-09 09:52 -0700
  Re: Q) Parsing Command-Line Arguments Lew <lewbloch@gmail.com> - 2011-08-10 10:10 -0700
    Re: Q) Parsing Command-Line Arguments Lew <lewbloch@gmail.com> - 2011-08-10 16:34 -0700

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