Java tutorial
import java.io.File; 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.scene.control.ScrollPane; import javafx.scene.control.TextArea; import javafx.scene.control.TextAreaBuilder; import javafx.scene.layout.VBox; import javafx.scene.layout.VBoxBuilder; import javafx.stage.FileChooser; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { launch(args); } @Override public void start(final Stage primaryStage) { Group root = new Group(); Button buttonLoad = new Button("Load"); buttonLoad.setOnAction(new EventHandler<ActionEvent>() { @Override public void handle(ActionEvent arg0) { FileChooser fileChooser = new FileChooser(); FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("TXT files (*.txt)", "*.txt"); fileChooser.getExtensionFilters().add(extFilter); File file = fileChooser.showOpenDialog(primaryStage); System.out.println(file); } }); VBox vBox = VBoxBuilder.create().children(buttonLoad).build(); root.getChildren().add(vBox); primaryStage.setScene(new Scene(root, 500, 400)); primaryStage.show(); } }