Button(java.lang.String text) constructor from Button has the following syntax.
public Button(java.lang.String text)
In the following code shows how to use Button.Button(java.lang.String text) constructor.
// w ww . j a v a 2 s . c om import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { Application.launch(args); } @Override public void start(Stage primaryStage) { primaryStage.setTitle("Hello World"); Group root = new Group(); Scene scene = new Scene(root, 300, 250); Button btn = new Button("Hello World"); btn.setLayoutX(100); btn.setLayoutY(80); btn.setOnAction(new EventHandler<ActionEvent>() { public void handle(ActionEvent event) { System.out.println("Hello World"); } }); root.getChildren().add(btn); primaryStage.setScene(scene); primaryStage.show(); } }