如何合并文本数组的元素/文本流[JavaFX]

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TextArea;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class TextArrayMergeExample extends Application {

    @Override
    public void start(Stage primaryStage) {
        String[] textArray = {"Hello", "World", "JavaFX"};
        
        StringBuilder mergedText = new StringBuilder();
        for (String text : textArray) {
            mergedText.append(text).append(" ");
        }
        
        TextArea textArea = new TextArea();
        textArea.setText(mergedText.toString());
        
        VBox root = new VBox(textArea);
        Scene scene = new Scene(root, 200, 200);
        
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TextArea;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class TextArrayMergeExample extends Application {

    @Override
    public void start(Stage primaryStage) {
        String[] textArray = {"Hello", "World", "JavaFX"};
        
        String mergedText = String.join(" ", textArray);
        
        TextArea textArea = new TextArea();
        textArea.setText(mergedText);
        
        VBox root = new VBox(textArea);
        Scene scene = new Scene(root, 200, 200);
        
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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