我正在尝试实例化一个窗口,因此在我的PC上本地实例化一些图形类(本质上是swing和awt )。上报的错误如下: Exception in thread "main" java.awt.HeadlessException: No X11 DISPLAY variable was set, but this program performed an operation which requires it.
at java.desktop/java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.