Here you can find the source of getHTML(URL url)
public static String getHTML(URL url) throws IOException
//package com.java2s; /*//from w w w . j a v a2 s .c om * The MIT License * * Copyright 2017 Victor Santiago. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.URL; import java.net.URLConnection; public class Main { public static String getHTML(URL url) throws IOException { URLConnection urlConnection = url.openConnection(); urlConnection.setRequestProperty("User-Agent", "Mozilla/5.0 " + "(Windows NT 10.0; Win64; x64) AppleWebKit/537.36 " + "(KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"); BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream())); StringBuilder sb = new StringBuilder(); String line = null; while ((line = in.readLine()) != null) { sb.append(line); } return sb.toString(); } }