import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.net.URL; import java.util.regex.Matcher; import java.util.regex.Pattern; public class URLReader1 {  public static void main(String args[])throws IOException{  URL name = new URL("http://www.baidu.com");  InputStream input = name.openStream();  InputStreamReader isr = new InputStreamReader(input);  BufferedReader buffer = new BufferedReader(isr);  String inputLine;  //doSomeTest();  while((inputLine = buffer.readLine()) != null){  doCheckUrl(inputLine);  //break;  }  buffer.close();  }  static void doCheckUrl(String str){  Pattern pattern=Pattern.compile("<a//s+href[^>]*>");  Matcher matcher=pattern.matcher(str);  while (matcher.find()) {  System.out.println("+"+str.substring(matcher.start(), matcher.end()));  }  } }