package utilities; import javafx.stage.Screen; import javafx.stage.Stage; public class FxUtilities { public static void centerStage(Stage stage) { double screenWidth = Screen.getPrimary().getVisualBounds().getWidth(); double screenHeight = Screen.getPrimary().getVisualBounds().getHeight(); double xPos = screenWidth / 2 - stage.getWidth() / 2; double yPos = screenHeight / 2 - stage.getHeight() / 2; stage.setX(xPos); stage.setY(yPos); } }