🚀 go-pugleaf

Hi,
there are methods in File class: delete and renameTo, which worked
afa running javac, I finally got it working, with simple Runtime.exec(...).

Vasu

Vasudevan Srinivasan wrote:

> Hi,
> I need to use renaming/copying commands, coz my source filename and target
> file name are same ! So im using the usual technique, writing to a new file
> and renaming it as old file.
> afa spawning a process, i found a Runtime.exec() method, but my goal is to
> run the javac compiler to compile a java file, from the application itself.
> i tried it a couple of times and both the times my ide crashed. is it
> possible ? any ideas. im also working at it and wll let know. meanwhile, if
> anybody had done similar things successfully pls share.
>
> Thanks
>
> William Yu wrote:
>
> > Vasudevan Srinivasan wrote:
> >
> > > How do I run system commands like renaming/copying/deleting a file or
> >
> > java.io.File has most of what you need.  There isn't a copy method but
> > you can implement it by using InputStream to read from a file and
> > OutputStream to write to a new file.
> >
> > > spawn a process from inside a java application ?
> >
> > Threads will do what you want.  Except you can't think of them in the
> > same way as fork.  I would suggest reading up on this subject very
> > carefully as my experience says Threads are needed in any non-trivial
> > Java application.