打印空行HttpResponse JDK 11

import java.io.IOException;
import java.net.InetSocketAddress;
import java.nio.charset.StandardCharsets;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;

public class Main {
    public static void main(String[] args) throws IOException {
        HttpServer server = HttpServer.create(new InetSocketAddress(8080), 0);
        server.createContext("/", new MyHandler());
        server.setExecutor(null);
        server.start();
    }

    static class MyHandler implements HttpHandler {
        @Override
        public void handle(HttpExchange exchange) throws IOException {
            String response = "Hello, World!";
            exchange.sendResponseHeaders(200, response.getBytes(StandardCharsets.UTF_8).length);
            exchange.getResponseHeaders().add("Content-Type", "text/plain");
            exchange.getResponseHeaders().add("X-Custom-Header", "Custom Value");
            exchange.getResponseHeaders().add("X-Empty-Line", ""); // 添加空行
            exchange.getResponseBody().write(response.getBytes(StandardCharsets.UTF_8));
            exchange.getResponseBody().close();
        }
    }
}