This page contains an archived post to the Java Answers Forum made prior to February 25, 2002. If you wish to participate in discussions, please visit the new Artima Forums.

Message:

Gandalf the Grey (or was it Grey?)

Posted by Matt Gerrans on November 18, 2001 at 4:56 PM

Ha, ha, ha! Hiran, all your talk of grays and greys has affected me! There I go using grey instead of gray on that last one. I always did like the spelling "grey" better...

- mfg

> Actually, I was confused that you changed the source code. If you just run the original, you can type whatever target string you want for exec() on the command line or in the TextField of the GUI.

> - mfg

>
> > > Hi I have two questions. One is regarding java.awt vs javax.swing - what is the difference between the two and when would each be used? Because don't both of them have classes to create a graphical user interface? My second question is regarding Runtime.getRuntime().exec(cmd) - what is considered 'legal' commands that exec will execute? Because I executed Matt's code (The best way to use Runtime.exec() (on Windows, that is)) and a command like 'start "c:\music\a - d.mp3"' (w/o the apostrophe) seems to execute (Winamp opens up and starts playing a - d.mp3), but when I try to execute
> > >

> > > String cmd = "start \"c:\\music\\a - d.mp3\"";
> > > Runtime.getRuntime().exec(cmd);
> > > 

> >
> > The problem was that I had forgot to declare my main method as static, and the output window was closing faster than I could read the error message that was generated. I feel dumb now...but whatever.
> > Hiran
>

• LOL :D Chin Loong November 19, 2001 at 10:26 AM (0)