InputMain.java

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package dialogs;
import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.control.TextInputDialog;
import javafx.scene.layout.BorderPane;

import java.util.Optional;


@SuppressWarnings("javadoc")
public class InputMain extends Application {
        @Override
        public void start(Stage stage) {
        BorderPane root = new BorderPane();
        Scene scene = new Scene(root, 400, 400);
        stage.setScene(scene);
        stage.setTitle("BorderPane");
        stage.show();
            
        TextInputDialog dialog = new TextInputDialog("kelmit");
        dialog.setHeaderText(null);
        dialog.setTitle("Vastaa");
        dialog.setContentText("Kerhon nimi:");
        Optional<String> answer = dialog.showAndWait();
        System.out.println(answer.isPresent() ? answer.get() : "Ei ollut vastausta");
        }

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