JavaFX CheckBox Example

In this JavaFX source code 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.
package sample; 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:


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