Is it possible to create exe file or something in java application

I m building a messenger and file sharing utility....i have converted the code in jar file. Now the problem is that when i run application the command prompt window which displays all kind of error and connection details....all these messages does not affect in functioning of application but as this is our project...and such errors are not good according to software engineering point of view....is there a way out?

thks in advance

[446 byte] By [mayank273a] at [2007-10-2 17:00:21]