Click ME Demo

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package javafxdemo;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

/**
 *
 * @author Dell
 */
public class Main extends Application{
    int abc=0;
    public static void main(String[] args){
        launch(args);
    }


    @Override
    public void start(Stage stage) throws Exception {
        Button btn = new Button("Click Me");
        Label lbl = new Label();
        btn.setOnAction(new EventHandler<ActionEvent>(){
            @Override
            public void handle(ActionEvent t) {
                //System.out.println("The Button is pressed");
                lbl.setText("Button Pressed");
            }


        });


        VBox root = new VBox();
        root.getChildren().addAll(btn,lbl);

        Scene scene = new Scene(root, 600, 400);
        stage.setScene(scene);
        stage.show();
    }

}