Comment résoudre les problèmes de latence réseau en Java

public class NetworkRequestThread extends Thread {
    private String url;

    public NetworkRequestThread(String url) {
        this.url = url;
    }

    @Override
    public void run() {
        // 发送网络请求
        HttpURLConnection connection = null;
        try {
            URL urlObj = new URL(url);
            connection = (HttpURLConnection) urlObj.openConnection();
            // 设置请求超时时间
            connection.setConnectTimeout(5000);
            connection.setReadTimeout(5000);

            // 请求数据并处理结果
            int responseCode = connection.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                // 读取数据
                BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
                String line;
                StringBuilder response = new StringBuilder();
                while ((line = reader.readLine()) != null) {
                    response.append(line);
                }
                reader.close();

                // 处理数据
                handleResponse(response.toString());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (connection != null) {
                connection.disconnect();
            }
        }
    }

    private void handleResponse(String response) {
        // 处理网络请求返回的数据
        // ...
    }
}

public class MainThread {
    public static void main(String[] args) {
        String url1 = "http://example.com/api1";
        String url2 = "http://example.com/api2";
        String url3 = "http://example.com/api3";

        // 创建并启动多个线程
        NetworkRequestThread thread1 = new NetworkRequestThread(url1);
        NetworkRequestThread thread2 = new NetworkRequestThread(url2);
        NetworkRequestThread thread3 = new NetworkRequestThread(url3);
        thread1.start();
        thread2.start();
        thread3.start();
    }
}

public class NetworkRequest {
    private static final int MAX_CONNECTIONS = 10;
    private static final int CONNECTION_TIMEOUT = 5000;
    private static final int SO_TIMEOUT = 5000;

    private static HttpClient httpClient;

    static {
        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
        connectionManager.setMaxTotal(MAX_CONNECTIONS);
        connectionManager.setDefaultMaxPerRoute(MAX_CONNECTIONS);
        RequestConfig requestConfig = RequestConfig.custom()
                .setConnectTimeout(CONNECTION_TIMEOUT)
                .setSocketTimeout(SO_TIMEOUT)
                .build();
        httpClient = HttpClientBuilder.create()
                .setConnectionManager(connectionManager)
                .setDefaultRequestConfig(requestConfig)
                .build();
    }

    public static String sendHttpRequest(String url) throws IOException {
        HttpGet get = new HttpGet(url);
        try (CloseableHttpResponse response = httpClient.execute(get)) {
            HttpEntity entity = response.getEntity();
            return EntityUtils.toString(entity);
        }
    }

    public static void main(String[] args) {
        String url1 = "http://example.com/api1";
        String url2 = "http://example.com/api2";
        String url3 = "http://example.com/api3";

        try {
            String response1 = sendHttpRequest(url1);
            String response2 = sendHttpRequest(url2);
            String response3 = sendHttpRequest(url3);

            // 处理网络请求返回的数据
            // ...
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}