怎么用Java的Stream API处理DOM节点列表

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

public class HtmlStreamExample {
    public static void main(String[] args) throws IOException {
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        Document doc = Jsoup.parse(html);

        // 获取所有 <p> 标签，并用 Stream 处理
        Elements paragraphs = doc.select("p");

        // 转为 Stream，过滤、映射、收集
        List<String> texts = paragraphs.stream()
                .filter(p -> p.hasClass("info"))     // 只取有 info 类的 p
                .map(Element::text)                   // 提取文本
                .collect(Collectors.toList());

        System.out.println(texts); // [Hello]
    }
}

import javafx.application.Application;
import javafx.scene.Node;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.util.List;
import java.util.stream.Collectors;

public class JavaFXStreamExample extends Application {
    @Override
    public void start(Stage stage) {
        VBox box = new VBox();
        box.getChildren().addAll(
            new Label("First"),
            new Label("Second"),
            new Label("Third")
        );

        // 用 Stream 找出所有 Label 并提取文本
        List<String> labelsText = box.getChildren().stream()
                .filter(node -> node instanceof Label)
                .map(node -> ((Label) node).getText())
                .collect(Collectors.toList());

        System.out.println(labelsText); // [First, Second, Third]
    }
}