问Java 9多线程HTTP请求

EN

import jdk.incubator.http.HttpClient;
import jdk.incubator.http.HttpRequest;
import jdk.incubator.http.HttpResponse;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

public class ReqSingle {

    private float totalElapsedTime = 0F;
    private HttpClient client = HttpClient.newHttpClient();

    public ReqSingle(String[] sties){
        for (String site : sties){
            long fetchStartTime = System.currentTimeMillis();
            String html = getResource(site);
            float elapsed = (float) (System.currentTimeMillis() - fetchStartTime) / 1000;

            Document doc = Jsoup.parse(html);
            System.out.println("It took " + elapsed + " seconds to fetch " + site + " with title " + doc.title());
            totalElapsedTime += elapsed;
        }

        System.out.println("Total Elapsed Time: " + totalElapsedTime + "\nTotal Number of sites: " + sties.length);
    }

    private String getResource(String someUrl) {
        String body = "";
        try {
            URI url = new URI(someUrl);
            HttpRequest request = HttpRequest.newBuilder()
                    .uri(url).GET().build();
            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandler.asString());
            body = response.body();
        } catch (URISyntaxException e) {
            System.out.println("URL " + someUrl + "is not valid");
        } catch (IOException | InterruptedException e) {
            // do nothing
        }
        return body;
    }
}

package com.net;

import jdk.incubator.http.HttpClient;
import jdk.incubator.http.HttpRequest;
import jdk.incubator.http.HttpResponse;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

public class ReqThreaded {

    public ReqThreaded(String[] sites) {

        for (String rawUri : sites) {
            new Thread(new Site(rawUri)).start();
        }
    }

    class Site implements Runnable {
        URI uri;

        public Site(String rawUri) {
            try {
                uri = new URI(rawUri);
            } catch (URISyntaxException e) {
                System.out.println("URL " + rawUri + "is not valid");
            }
        }

        @Override
        public void run() {
            String html = "";

            long fetchStartTime = System.currentTimeMillis();
            try {
                HttpClient client = HttpClient.newHttpClient();
                HttpRequest request = HttpRequest.newBuilder()
                        .uri(uri).GET().build();
                HttpResponse<String> response = client.send(request, HttpResponse.BodyHandler.asString());
                html = response.body();
            } catch (IOException | InterruptedException e) {
                //do nothing
            }
            float elapsed = (float) (System.currentTimeMillis() - fetchStartTime) / 1000;
            Document doc = Jsoup.parse(html);
            System.out.println("It took " + elapsed + " seconds to fetch " + uri.toString() + " with title " + doc.title());
        }
    }
}

package com.net;

public class ReqTester {
    public static void main(String[] args) {

        String[] topIranianSites = {
                "https://www.aparat.com/",
                "http://www.varzesh3.com/",
                "http://namnak.com/",
                "http://www.telewebion.com/",
                "https://divar.ir/",
                "https://www.ninisite.com/",
                "https://www.blogfa.com/",
                "http://www.namasha.com/",
                "http://www.yjc.ir/"
        };

        System.out.println("Single Threaded Test Results:\n");
        new ReqSingle(topIranianSites);
        System.out.println("\n\nMulti Threaded Test Results:\n");
        new ReqThreaded(topIranianSites);

    }
}

WARNING: Using incubator modules: jdk.incubator.httpclient
Single Threaded Test Results:

It took 2.843 seconds to fetch https://www.aparat.com/ with title آپارات - سرویس اشتراک ویدیو
It took 0.459 seconds to fetch http://www.varzesh3.com/ with title 
It took 0.52 seconds to fetch http://namnak.com/ with title نمناک
It took 2.231 seconds to fetch http://www.telewebion.com/ with title تلوبیون | مرجع پخش زنده و دانلود فیلم ، سریال و سایر برنامه های تلویزیون
It took 0.243 seconds to fetch https://divar.ir/ with title 
It took 1.749 seconds to fetch https://www.ninisite.com/ with title نی نی سایت | راهنمای بارداری و بچه داری
It took 0.407 seconds to fetch https://www.blogfa.com/ with title 
It took 1.796 seconds to fetch http://www.namasha.com/ with title نماشا - سرویس رایگان اشتراک ویدیو
It took 0.232 seconds to fetch http://www.yjc.ir/ with title 
Total Elapsed Time: 10.48
Total Number of sites: 9


Multi Threaded Test Results:

It took 0.114 seconds to fetch https://divar.ir/ with title 
It took 0.236 seconds to fetch http://www.yjc.ir/ with title 
It took 1.519 seconds to fetch http://www.varzesh3.com/ with title 
It took 1.587 seconds to fetch https://www.blogfa.com/ with title 
It took 3.524 seconds to fetch http://namnak.com/ with title نمناک
It took 4.152 seconds to fetch https://www.ninisite.com/ with title نی نی سایت | راهنمای بارداری و بچه داری
It took 4.486 seconds to fetch http://www.namasha.com/ with title نماشا - سرویس رایگان اشتراک ویدیو
It took 4.725 seconds to fetch https://www.aparat.com/ with title آپارات - سرویس اشتراک ویدیو
It took 5.82 seconds to fetch http://www.telewebion.com/ with title تلوبیون | مرجع پخش زنده و دانلود فیلم ، سریال و سایر برنامه های تلویزیون