java调用url的两种形式

java调用url的两种方式
一、在java中调用url，并打开一个新的窗口

二、在java中调用url，后台调用。并取得返回值
URL U = new URL("http://10.58.2.131:8088/spesBiz/test1.jsp");URLConnection connection = U.openConnection();   connection.connect();     BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));   String line;   while ((line = in.readLine())!= null)   {    result += line;   }   in.close();