ContextMenu() constructor from ContextMenu has the following syntax.
public ContextMenu()
In the following code shows how to use ContextMenu.ContextMenu() constructor.
import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.ContextMenu; import javafx.scene.control.Label; import javafx.scene.control.MenuItem; import javafx.scene.control.TextField; import javafx.scene.layout.GridPane; import javafx.stage.Stage; import javafx.stage.WindowEvent; // www.java2 s . com public class Main extends Application { public static void main(String[] args) { launch(args); } @Override public void start(Stage stage) { Scene scene = new Scene(new Group(), 450, 250); TextField notification = new TextField(); final ContextMenu contextMenu = new ContextMenu(); contextMenu.setOnShowing(new EventHandler<WindowEvent>() { public void handle(WindowEvent e) { System.out.println("showing"); } }); contextMenu.setOnShown(new EventHandler<WindowEvent>() { public void handle(WindowEvent e) { System.out.println("shown"); } }); MenuItem item1 = new MenuItem("About"); item1.setOnAction(new EventHandler<ActionEvent>() { public void handle(ActionEvent e) { System.out.println("About"); } }); MenuItem item2 = new MenuItem("Preferences"); item2.setOnAction(new EventHandler<ActionEvent>() { public void handle(ActionEvent e) { System.out.println("Preferences"); } }); contextMenu.getItems().addAll(item1, item2); notification.setContextMenu(contextMenu); GridPane grid = new GridPane(); grid.setVgap(4); grid.setHgap(10); grid.setPadding(new Insets(5, 5, 5, 5)); grid.add(new Label("To: "), 0, 0); grid.add(notification, 1, 0); Group root = (Group) scene.getRoot(); root.getChildren().add(grid); stage.setScene(scene); stage.show(); } }