private List<NewsBean> getJsonData(String url)
 {
  List<NewsBean> newBeanlist=new ArrayList<NewsBean>();
  try {
  String jsonstring=redStearm(new java.net.URL(url).openStream());//于Openconnection.getInputStream()相同,
      Log.d("syx", jsonstring);
       JSONObject jsonboject;
       NewsBean newbean;
        try {
   jsonboject=new JSONObject(jsonstring);
    JSONArray jsonArray=jsonboject.getJSONArray("data");
    for (int i = 0; i < jsonArray.length(); i++) {
      jsonboject=jsonArray.getJSONObject(i);
      newbean=new NewsBean();
      newbean.newsIconURL=jsonboject.getString("picSmall");
      newbean.newsTitle=jsonboject.getString("name");
      newbean.newsContent=jsonboject.getString("description");
       newBeanlist.add(newbean);
        这个方法里面参数url是什么东西啊？   我搞不懂。 求解释， 谢谢

  还有这个方法new NewAsyncTask().execute(URL); 有用什么用啊？