Author Question: Fill in the code to display the key pressed in the text.import javafx.application.Application;import ... (Read 76 times)

cdr_15 · **on:** May 6, 2020

Question 1

To handle the key pressed event on a pane p, register the handler with p using ________.
◦ p.setOnKeyClicked(handler);
◦ p.setOnKeyPressed(handler);
◦ p.setOnKeyTyped(handler);
◦ p.setOnKeyReleased(handler);

Question 2

Fill in the code to display the key pressed in the text.

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Test extends Application {
@Override // Override the start method in the Application class
public void start(Stage primaryStage) {

Pane pane = new Pane();

Text text = new Text(20, 20, "Welcome");

pane.getChildren().add(text);

Scene scene = new Scene(pane, 200, 250);

primaryStage.setTitle("Test"); // Set the stage title

primaryStage.setScene(scene); // Place the scene in the stage

primaryStage.show(); // Display the stage

text.setFocusTraversable(true);

text.setOnKeyPressed(________);

}

/**
* The main method is only needed for the IDE with limited JavaFX
* support. Not needed for running from the command line.
*/
public static void main(String[] args) {

launch(args);

}
}

◦ e -> text.setText(e.getText())
◦ (e) -> text.setText(e.getText())
◦ () -> text.setText(e.getText())
◦ e -> {text.setText(e.getText());}

SAUXC · **Reply #1 on:** May 6, 2020

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