第三章 第一个JavaFx程序，Hello JavaFx!

package hellojavafx;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.stage.Stage;

public class HelloJavaFx extends Application {

@Override
public void start(Stage stage) throws Exception {
stage.setTitle("Hello JavaFx !");
Group group = new Group();
Scene scene = new Scene(group,300,250);
Button button = new Button();
button.setLayoutX(0);
button.setLayoutY(0);
button.setText("Hello JavaFx");
button.setOnAction(new EventHandler<ActionEvent>() {

@Override
public void handle(ActionEvent arg0) {
System.out.println("Hello JavaFx ...");
}
});
group.getChildren().add(button);
stage.setScene(scene);
stage.show();
}

/**
* @param args
*/
public static void main(String[] args) {
launch(args);
}

}