package FirstDemo; import javafx.application.Application; import javafx.fxml.FXMLLoader; import javafx.scene.Scene; import javafx.stage.Stage; public class demo extends Application { @Override public void start(Stage primaryStage) throws Exception { FXMLLoader loader = new FXMLLoader(getClass().getResource("demoView.fxml")); primaryStage.setTitle("进制转换"); primaryStage.setScene(new Scene(loader.load(), 400, 300)); // 调整高度 primaryStage.show(); } public static void main(String[] args) { launch(args); } }