[brailleblaster] Re: Java varargs
- From: "John J. Boyer" <johnjboyer@xxxxxxxxxxxxx>
- To: brailleblaster@xxxxxxxxxxxxx
- Date: Wed, 15 Dec 2010 13:43:50 -0600
I thought the exec method in Runtime would call an external command-line
process. It spawns a separate thread for the process.
John
On Wed, Dec 15, 2010 at 12:35:28PM -0700, Susan Jolly wrote:
> After staring at the ProcessBuilder javadoc for a while, I realized there
> was something I didn't recognize which turns out to be a vararg, introduced
> in Java 5. Only the final (or single parameter) of a method may be a
> vararg. The snytax is the type followed by three periods followed by the
> name, e.g. String ... command. A vararg may be passed either as an array
> or as a sequence of arguments. So ProcessBuilder can accept a String array
> as an argument. (Although, per my previous post, direct use of
> ProcessBuilder may not be want we want to do.)
>
> SusanJ
>
>
>
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