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In this JavaFX example, we will see how to use the JavaFX CheckBox control with an example.

The checkBox is a tri-state selection control box showing a checkmark or tick mark when checked. The control has two states by default: checked and unchecked. The setAllowIndeterminate enables the third state: indeterminate.

JavaFX CheckBox Example

The example shows or hides the title of the window depending on whether the check box is selected.

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class Main extends Application {

    @Override
    public void start(Stage stage) {

        initUI(stage);
    }

    private void initUI(Stage stage) {

        var root = new HBox();
        root.setPadding(new Insets(10, 0, 0, 10));

        var cbox = new CheckBox("Show title");
        cbox.setSelected(true);

        cbox.setOnAction((ActionEvent event) -> {
            if (cbox.isSelected()) {
                stage.setTitle("CheckBox");
            } else {
                stage.setTitle("");
            }
        });

        root.getChildren().add(cbox);

        var scene = new Scene(root, 300, 200);

        stage.setTitle("CheckBox");
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

Output:

Related JavaFX Examples

1. JavaFX GridPane Example
2. JavaFX ColorPicker Example
3. JavaFX DatePicker Example
4. JavaFX MenuBar Example
5. JavaFX Radio Button Example
6. JavaFX TabPane Example
7. JavaFX Accordion Example
8. JavaFX Login Form Validation Example
9. JavaFX Form Validation - Registration Form Validation Example
10. JavaFX Line Chart Example
11. JavaFX Area Chart Example
12. JavaFX Scatter Chart Example
13. JavaFX Bar Chart Example
14. JavaFX Pie Chart Example
15. JavaFX Select and Multi-Select Example
16. JavaFX Check Box Example
17. Java Calculator Project

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