package org.mobiletrain; import com.sun.net.httpserver.HttpExchange; import com.sun.net.httpserver.HttpHandler; import com.sun.net.httpserver.HttpServer; import java.io.IOException; import java.io.OutputStream; import java.net.InetSocketAddress; class Example05 { public static void main(String[] arg) throws Exception { HttpServer server = HttpServer.create(new InetSocketAddress(8000), 0); server.createContext("/", new RequestHandler()); server.start(); } static class RequestHandler implements HttpHandler { @Override public void handle(HttpExchange exchange) throws IOException { String response = "

hello, world

"; exchange.sendResponseHeaders(200, 0); try (OutputStream os = exchange.getResponseBody()) { os.write(response.getBytes()); } } } }