About process programming

Hi,
I was trying to run cvs from a java program using the following code:
Process proc = rt.exec("c:\\tools\\wincvs\\cvsnt\\cvs -d :pserver:[email protected]:/var/local/cvshome login");
Now when the command is entered in dos prompt -
c:\tools\wincvs\cvsnt\cvs -d :pserver:[email protected]:/var/local/cvshome login
the cvs asks for the password using its own prompt.
Now when I run my java program, all I see is a prompt blinking as usual but accepting no input and showing no output and my program is also stuck there. cvs can be run with other commands (update, check out etc except login command) by the same java program (i.e. changing the paramer in exec method) after loggin is done in dos prompt (before my program is run). It apears to me that some how there is a conflict for IO. I put my java program to sleep so that cvs have the console but no effect. I am not sure how command line programs (like cvs) when run as a process by java programs are given their own console (input/output). For GUI program like Notepad.exe, u know it runs in its own window. You may wonder why i am not calling the GUI version of cvs. What I am trying to do is like other programs such as 'ant' of 'intelliJIDEA' do. They update or commit files without explicitly calling wincvs.
Also like other programming languages which are very emphatic about IPC and semaphone and blah blah, where are the equivalent things in java hidden.
PS: Does anybody has any idea how to send parameters to login command of cvs? For IntelliJIDEA, using update or commit commands doesnot require loggin on. I wonder how IntelliJIDEA does that.

This link is supposed to be attached to every post about Runtime.exec().
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
Now it's attached to yours too.

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<removed by moderator>
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Attachments:
old_legend_test.llb ‏65 KB
new_legend_test.llb ‏65 KB

Hi
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Thanks for
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Benjamin R.
R&D Software Development Manager
http://www.fluigent.com/
Attachments:
GraphLegend.vi ‏85 KB

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About process programming

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