JavaFX RadioButton

by Online Tutorials Library July 14, 2022

RadioButton

The Radio Button is used to provide various options to the user. The user can only choose one option among all. A radio button is either selected or deselected. It can be used in a scenario of multiple choice questions in the quiz where only one option needs to be chosen by the student.

The following code shows how one radio button is selected from a toggle group.

  package application;  import javafx.application.Application;  import javafx.scene.Scene;  import javafx.scene.control.RadioButton;  import javafx.scene.control.ToggleGroup;  import javafx.scene.layout.VBox;  import javafx.stage.Stage;  public class RadioButtonTest extends Application {      public static void main(String[] args) {  launch(args);  }    @Override  public void start(Stage primaryStage) throws Exception {  // TODO Auto-generated method stub  ToggleGroup group = new ToggleGroup();  RadioButton button1 = new RadioButton(“option 1”);  RadioButton button2 = new RadioButton(“option 2”);  RadioButton button3 = new RadioButton(“option 3”);  RadioButton button4 = new RadioButton(“option 4”);  button1.setToggleGroup(group);  button2.setToggleGroup(group);  button3.setToggleGroup(group);  button4.setToggleGroup(group);  VBox root=new VBox();  root.setSpacing(10);  root.getChildren().addAll(button1,button2,button3,button4);  Scene scene=new Scene(root,400,300);  primaryStage.setScene(scene);  primaryStage.setTitle(“Radio Button Example”);  primaryStage.show();  }  }  

Output:

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