Example
button1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("button clicked");
}
});
Find the below working application.
EventHandlingByAnonymousClass.java
package com.sample.app.eventhandling;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.effect.DropShadow;
import javafx.scene.layout.FlowPane;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.stage.Stage;
public class EventHandlingByAnonymousClass extends Application {
public static void main(String args[]) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
DropShadow dropShadow = new DropShadow();
dropShadow.setOffsetX(5);
dropShadow.setOffsetY(5);
dropShadow.setColor(Color.GRAY);
Button button1 = new Button("Click Me");
button1.setTextFill(Color.BLACK);
button1.setFont(Font.font("Verdana", FontPosture.REGULAR, 35));
button1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("button clicked");
}
});
FlowPane.setMargin(button1, new Insets(50, 50, 50, 50));
FlowPane flowPane = new FlowPane();
flowPane.setOrientation(Orientation.HORIZONTAL);
flowPane.setEffect(dropShadow);
flowPane.getChildren().add(button1);
Scene scene = new Scene(flowPane, 500, 400, Color.LIGHTYELLOW);
primaryStage.setTitle("Event Handling Demo");
primaryStage.setScene(scene);
primaryStage.show();
}
}
Output
Whenever you click on the button ‘Click Me’, you will see below message in the console.
button clicked
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