public class WebCrawler { public static void main(String[] args) { String url = "http://example.com"; crawl(url); }
import java.io.IOException; import java.util.ArrayList; import java.util.List;
import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements;
import java.net.*; import java.io.*;