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Article View: borland.public.jbuilder.java.api
Article #2297

Re: Exectuting external app

#2297
From: Calvin R. Smith
Date: Fri, 23 Mar 2001 16:15
30 lines
2249 bytes
This I know.  What I want is to launch a program and NOT capture it's
output.

"John McGrath [TeamB]" <ng-b@JPMcGrath.net> wrote in message
news:MPG.1524c8bd4b2eac3e98a095@forums.borland.com...
> On Thu, 22 Mar 2001 13:46:21 -0700, Calvin R. Smith wrote:
>
> > How can I execute an external program (java.exe) and have
> > it open it's own window and display the print statements
> > in it's own window?
>
> The Java Runtime exec() methods pipe the output from the subprocess
> back to the JVM.  You can get input streams to read the output from
> the Process object returned by exec(), using the getErrorStream() and
> getInputStream() methods.
>
> This is actually something you should do whenever you use the Runtime
> exec method, if there is any possibility that the process will produce
> any output.  If you do not and the buffers for one of the pipes fills
> up, your subprocess will hang.  And to read the output from both of the
> streams simultaneously, you will need to spawn threads.
>
> --
> Regards,
>
> John McGrath [TeamB]
>
> ---------------------------------------------------
> Before sending me e-mail, please read:
>     http://www.JPMcGrath.net/newsgroups/e-mail.html
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Reply-To: "Calvin R. Smith" <calvinrsmith@hotmail.com>
From: "Calvin R. Smith" <calvinrsmith@hotmail.com>
Newsgroups: borland.public.jbuilder.java.api
References: <3aba6504_2@dnews> <MPG.1524c8bd4b2eac3e98a095@forums.borland.com>
Subject: Re: Exectuting external app
Date: Fri, 23 Mar 2001 09:15:35 -0700
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