Apri uno stream sulla rete poi leggi il file nel consueto modo:
Ciao.codice:import java.io.*; import java.net.*; public class TestFile { public static void main(String[] args)throws Exception { URL url=new URL("http://www.html.it"); URLConnection urlConn=url.openConnection(); InputStream is=urlConn.getInputStream(); BufferedReader bf=new BufferedReader(new InputStreamReader(is)); String linea=""; while((linea=bf.readLine())!=null){ System.out.println(linea); } is.close(); bf.close(); } }