CheckBox checkbox = new CheckBox();

CheckBox checkbox = new CheckBox("Label Name");

package application;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;
public class CheckBoxTest extends Application {


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

@Override
public void start(Stage primaryStage) throws Exception {
// TODO Auto-generated method stub
Label l = new Label("What do you listen:     ");
CheckBox c1 = new CheckBox("Radio one");
CheckBox c2 = new CheckBox("Radio Mirchi");
CheckBox c3 = new CheckBox("Red FM");
CheckBox c4 = new CheckBox("FM GOLD");
HBox root = new HBox();
root.getChildren().addAll(l,c1,c2,c3,c4);
root.setSpacing(5);
Scene scene=new Scene(root,800,200);
primaryStage.setScene(scene);
primaryStage.setTitle("CheckBox Example");
primaryStage.show();
}
}