Java / JavaFX
Explain the basic structure of a JavaFX application.
The main class for a JavaFX application extends the javafx.application.Application class.
The start() method is the main entry point for all JavaFX applications. So your main class will override it.
A JavaFX application defines the user interface container by means of a stage and a scene. The JavaFX Stage class is the top-level JavaFX container. The JavaFX Scene class is the container for all content.
In JavaFX, the content of the scene is represented as a hierarchical scene graph of nodes.
The main() method is not required for JavaFX application, however useful to launch in IDE without JavaFX launcher.
import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.StackPane; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { launch(args); } @Override public void start(Stage primaryStage) throws Exception { primaryStage.setTitle("Welcome to Javapedia.net"); Button b = new Button("Click"); StackPane layout = new StackPane(); layout.getChildren().add(b); Scene scene = new Scene(layout, 300, 300); primaryStage.setScene(scene); primaryStage.show(); } }
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