java获取网页html内容。。。。。。。

//package Tests;      import java.net.URL;  import java.io.InputStream;  import java.io.InputStreamReader;  import java.io.BufferedReader;      public class TestsMainWin {  public static String filename;  public static URL url;  public static InputStream in;  public static InputStreamReader isr;  public static BufferedReader bufr;  public static void find() {  try {              url = new URL(filename);              in = url.openStream();              isr = new InputStreamReader(in);              bufr = new BufferedReader(isr);                            bufr.close();              isr.close();              in.close();          } catch (Exception e) {          e.printStackTrace();      }  }      public static void main(String args[]) throws Exception {      int x = 1;    filename = new String();    while(x++ < 144) {        }    }  }