Create a new Java class (e.g., GameLogic.java ) and add your game logic. For example:
java -jar mygame.jar Your game should now run at a resolution of 320x240.
import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.layout.StackPane; import javafx.stage.Stage;
public static void main(String[] args) { launch(args); } } This code creates a simple game window with a resolution of 320x240.
public static void main(String[] args) { launch(args); } }