使用JFrame和控制台从.bat执行java程序

I have a little problem. I have a java program that when it starts creates a JFrame and in another thread a process execute. This last process uses "System.out.println" to log messages to standard output. I want to execute this java program and see the JFrame but not the console. I want the log of the other process go to a file. I wrote this instruction in the .bat file:I have a little problem. I have a java program