windows下无DOS窗口运行Java程序的bat文件

java -jar x.jar

这样话在Java程序启动时，加载的DOS窗口一直出现，直到你关闭了Java程序才一起关闭。

为了避免这个DOS窗口，需要把.bat中的启动命名修改为：

javaw -jar x.jar

解释：

参见http://java.sun.com/javase/6/docs/technotes/tools/windows/java.html

The javaw command is identical to java , except that with javaw there is no associated console window. Use javaw when you don't want a command prompt window to appear. The javaw launcher will, however, display a dialog box with error information if a launch fails for some reason.